Bar code Value – What to make use of and Where

Ever considering the fact that the old Codebar barcode made use of within the initial automated library systems for the recently created Intelligent Mail Method and the information-rich PDF417 barcode, there are lots of unique alternatives accessible, based on what your application is and how very simple you would like the barcoding process to be. Basically picking a 2D barcode since it shops loads of details is blind for the price of implementing a 2D barcode scanner or other imaging options, to not mention the special decoding software you may have to operate the whole system.

Applying a Premium quality Barcode Scanner
Not just that, the 2D scanner you choose to scan the barcode with, whether or not it’s a red laser scanner or perhaps a good quality CCD barcode scanner, is extremely essential. If the barcode is too compact as well as the CCD imaging technology isn’t as precise, errors will happen within the scanning process or the scanner will merely not recognize the barcode. For instance, the Symbol DS7600 barcode scanner can study a datamatrix barcode as compact as 1.1 inch applying its 1.three megapixel CCD sensor.

So, with 1D barcodes, the considerations are fairly straightforward – choose the most appropriate barcode and use a typical laser barcode scanner or CCD scanner. On the other hand, with 2D barcode scanning, you may need to pick a barcode symbology that’s compatible along with your application, pick a barcode printer that may be up to the job and lastly choose a scanner that may be able to cope with smaller barcodes if need to have be. Don’t let the myriad of possibilities scare you conscious from utilizing 2D barcode technology but be conscious of what you should take into account when implementing such a remedy.

So what is available in terms of barcoding technologies, how will it benefit your enterprise and most importantly, just how much does it price? All this depends on what you could need to store on the barcodes and no matter whether you want to produce probably the most of your most up-to-date technological innovations to get the most out of carrying information and facts along the provide chain.

First of all, the barcode symbology, or the type of barcode, is basically a common way of encoding ASCII (letters and digits) into a format readable by devices that capture light and procedure its formation, also knowns as a handheld barcode scanner.

1D Barcodes
Lots of of your merchandise you see on the shelves are EAN-13 or EAN-8 format, referred to as a 1D barcode, readable by all laser barcode scanners and CCD barcode scanners. These barcodes are basic in their structure and basically include a string of numbers that are typically placed underneath the barcode. When the EAN-13/8 barcode is damaged, the user can input the barcode into a POS as an example along with the outcome would be the identical. This number (or ID) is ordinarily assigned to a solution or piece of stock information and facts, generated automatically by the stock control application or assigned manually as stock arrives in to the warehouse.

For inventory management, this kind of barcode is helpful since you could handle what those barcodes represent and study them effortlessly with any type of barcode scanner or PDA device. This final results inside a low-cost, easily implemented solution that will instantly save time and raise productivity in an atmosphere that has access to the same item details and IDs (typically inside a organization that shares a solution database but might have many sites).

One particular apparent challenge with the the EAN-13/8 and also other 1D barcodes for instance Code 39 is the fact that the information stored inside the barcode is dependent — that may be it must relate to anything else. For instance, if a piece of specialist equipment is sent in the supplier to a company that don’t hold widespread item information databases, a 1D barcode that includes a 12-digit number won’t hold any worth to that small business. As a result, all of the product information, such as specifications or what ever else that the organization will should know when receiving that piece of equipment, will have to be incorporated inside the barcode itself.

2D Barcodes
2D barcodes are far more complex in their physical structure as well as the style of information and facts they hold, understandable whenever you look at the fact that up to 2000 characters can be stored on a PDF-417 barcode or as much as the physical restraints of the printer on a DataMatrix barcode. Because of this, these barcodes are far more suitable to compensate for the downfalls of a 1D barcode. On the other hand, 2D barcodes can only be read by a 2D barcode scanner or possibly a CCD barcode scanner, the latter capturing the 2D barcode as an image and processing it working with application algorithms.

The very best use of 2D barcodes are if you would like to transport the information associated with that item independently. In other words, we usually do not have to rely on the receiver of the goods to hold a shared database that will translate an ID into item details – all the details stored concerning the item is held on the barcode itself. This really is particularly useful in postal scenarios, where a 2D barcode would hold names, postal addresses and return addresses. The receiver of this information and facts could very easily use a CCD barcode scanner and retailer this details for future purposes into a relational database, hence enriching their inventory management system with contact details and so on.

The PDF-417 barcode could be excellent for this idea, but what in case you must identify incredibly tiny pieces of equipment for example a circuit board? Because of the nature of your algorithms used to make PDF417 barcodes, you might only have the ability to make around 170 bytes per square cm. With a DataMatrix barcode, having said that, the numbers of bytes stored is merely dictated to how correct your printer can reproduce barcodes at their smallest size. Resulting from this restriction, it really is recommended to utilize only the highest quality thermal laser printer for such a job.

MC9000-S Series

Future Proof Your Investment
The full featured MC9000-S offers you numerous approaches to defend your
investment. Improve efficiency with more rapidly software upgrades and
future proof your investment using a more scalable, versatile architecture.
Pick out data capture and communication choices to meet your needs-
from imaging or laser bar code scanning to wired or wireless connectivity.
Choose Microsoft® Windows® Embedded CE .NET or Windows Mobile
2003 for Pocket Computer Telephone Edition. These open operating systems (OS)
support an array of applications such as those that offer seamless
integration with many back-end systems. Pocket Pc Telephone Edition with
wireless WAN-enabled configuration offers you enhanced options for
voice and information communications. The MC9000-S delivers a big
monochrome or color show, field-changeable keyboards and an
accessory portfolio. The feature-rich, modular MC9000-S delivers the
most flexibility and investment protection.

Increase Mobile Employee Productivity
The rugged MC9000-S Series mobile personal computer from Symbol
Technologies, The Enterprise Mobility Company™, is developed for correct
mobile field applications. It delivers real-time visibility into your
company’s day-to-day company transactions for enhanced efficiencies,
lowered costs and new competitive advantage.
Built for harsh environments, the sturdy MC9000-S assists minimize
errors and enhance productivity for field workers. For route drivers,
technicians or law enforcement, it offers immediate access to missioncritical
consumer information.

Build New Advantage with a Superior Mobility Architecture
The MC9000-S is perfect for the mobile field application needs-from
direct store delivery to service automation to issuing citations. In
addition towards the MC9000-S, Symbol options integrate advanced information
capture technologies, wireless infrastructure, enabling software and high-
ROI applications from our business partners. Symbol Enterprise Mobility
Services make sure that your mobility remedy works seamlessly and at
maximum efficiency-from defining your company requirements
by means of ongoing service and support.

Motorola (Symbol) MC75

The MC75: Setting a brand new common for Enterprise Digital assistants
Regardless of what your workers will need to acquire the job performed, Motorola’s MC75 Worldwide Enterprise Digital Assistant delivers all the features and functionality necessary to maximize workforce productivity within a rugged device with a minimum footprint…all in the appropriate price. The MC75 re-defines the standard for EDA mobile computers with simultaneous voice, information and GPS services* also as an unprecedented quantity of enterprise class capabilities. Customers enjoy a 3G planet cellular phone with push-to-talk (PTT), integrated GPS with superior sensitivity and tracking capabilities, 1D and 2D bar code scanning, a high resolution colour camera, 3G wireless WAN (WWAN), wireless LAN (WLAN), wireless PAN (WPAN) and IrDA connectivity – all inside a single device.
mc7596
In regards to running company applications, the MC75 shines. The robust bandwidth of 3G combined using the newest mobile computing platform supplies the maximum processing energy required to handle practically any enterprise application
– such as voice and video. And the MC75 is extendable – a user accessible microSD slot enables the addition of storage and new functionality to meet evolving business enterprise needs. From field sales, field service and fleet management to government applications for instance public safety, first response and security screening, maximize the efficiency of one’s workforce with simultaneous anyplace, anytime mobile voice and data…with the MC75.

Maximum value…and return on investment
The 3G primarily based MC75 enables enterprises to standardize on one device for worldwide deployments, minimizing the complexity, assistance requirements along with the expense of mobility options. By supplying a single platform for worldwide voice and data services, the MC75 eliminates the want for various operating systems, numerous service providers and numerous devices. Also, the multi-function MC75 eliminates the have to have to buy and manage multiple devices per individual – as an example, a mobile computer as well as a cellular phone. The reduction in capital and operational fees combines with elevated workforce productivity to provide maximum worth on your investment.

Setting the standard for rugged EDa design and style
Irrespective of whether your workers are within a truck, in a client facility or out on the street, you could count on the MC75 to provide the maximum uptime you have to guard worker productivity and achieve a low total cost of ownership (TCO). Created for all day each and every day use inside and outside the enterprise, the MC75 gives an array of options that set the bar for rugged design of EDA-class devices. Motorola’s drop test is performed over the whole operating temperature variety, making sure reliable operation no matter if drops take place at space temperature or in intense cold or heat – even on concrete. Along with the unit is sealed to ensure reliable operation, even when exposed to dust, rain, snow and spills.

Maximum voice quality and functionality
Designed in the ground as much as assistance voice at the same time as data, the MC75 delivers a superior voice encounter. Functionality incorporates full duplex voice, push-to-talk (PTT) and voice dialing over the wireless WAN (WWAN) and WLAN, enabling one- to-one calls at the same time as walkie-talkie style immediate communications. The device is voice-recognition ready, capable to assistance advanced voice applications. And headset, handset and speakerphone modes supply workers together with the comfort and flexibility to meet the requirements of the job…and the moment.

Maximum wireless functionality: WWan, WLan, WPan and irDa
The MC75 gives your workers the comfort of comprehensive wireless connectivity – no need for any wires, anywhere, anytime. Help for 3G provides high-performance mobile voice and data solutions outside the four walls practically anyplace in the world. Support for 802.11a/b/g provides a seamless wireless LAN connection, delivering a cost-effective voice and data connection inside the four walls and in hot spots. Wireless PAN connectivity provides a easy wire-free connection to peripherals, like Bluetooth® headsets and printers. And IrDA provides an extra suggests of wireless communications with mobile and desktop computers as well as other legacy business gear.

Robust locationing with best-in-class GPS functionality
Selected for its superior sensitivity and tracking capabilities, the high overall performance SiRFstarIII GSC3f/LP chipset enables a multitude of real-time location primarily based applications, from directions for drivers to real-time fleet location for dispatchers. The chipset delivers expanded coverage for GPS applications by enabling the fast and very accurate capture of signals in many of the most difficult environments, like urban canyons and locations exactly where foliage is extremely dense. And the low-power chipset delivers top- notch accuracy with minimal energy needs, conserving battery energy to help supply end-users with location-based services.

Maximum advanced information capture capabilities
With all the MC75 in hand, workers have the functionality necessary to automate, enrich and error proof data collection. Decide on in between a 1D laser scanner or 2D bar code imager to allow the rapid and intuitive capture with the kinds of bar codes in use all through your enterprise. Plus a 2 megapixel auto- concentrate colour camera with flash can not simply capture high quality images – one example is, to document proof of condition to get a damaged shipment or possibly a broken piece of gear, or even a signature on a document – but can also decode 1D and 2D bar codes as well. Consequently, paper types might be eliminated and company processes streamlined, improving productivity and throughput throughout the enterprise.

The Motorola benefit
If you decide on the Motorola MC75, you take pleasure in the positive aspects of a world-class companion channel, world-class management solutions and world-class services. Our award-winning companion ecosystem offers a best-in-class, broad set of ready-to-go and custom applications for the MC75, minimizing deployment time and expense. Compatibility with Motorola’s Mobility Software Suite presents extraordinary centralized control over your MC75 devices, like remote staging, provisioning, monitoring and troubleshooting of devices, the capability to secure information on the devices and considerably more. To help preserve your MC75 up and operating at peak overall performance, Motorola presents Service from the Begin with Comprehensive Coverage. This exclusive service includes normal wear and tear, also as coverage for internal and external components damaged via accidental breakage at no further charge – significantly lowering your unforeseen repair expenditures. And options which include Commissioning Service and Express Shipping help to additional reduce downtime within the unlikely event your device calls for repair.

Mobile Bar code Scanner Overview

Handheld Barcode Scanner is one of the most recent innovation in generating POS or point of sale scans as well as to instantly gain access to specific files inside a database. So how exactly does a Handheld barcode scanner operate? This contraption comes equipped using a light supply, light sensor as well as a lens that is responsible for interpreting the optical impulses to electrical impulses. It reads the barcode image because the light flashes on it and transmits the interpretation towards the output center, frequently a laptop screen or even a cash register.

Among by far the most frequent brands within the industry for the Handheld Barcode Scanners currently are Symbol, Metrologic, Wasp, Adesso, TS, PSC, CCD, CK1, Intermec, Trakker, Datalogic, Normal and Informatics. Even though you’ll find numerous brands out there, they come with distinct capabilities for each and every piece. The weight alone vary, some weigh as little as 9 ounces though others weigh up to three pounds. Some are slim while others are far more bulky, there are also some which are connected by USB ports and wires while other people are wireless and are connected via Bluetooth. For Handheld Barcode Scanners which are wireless, the hand held scanner is powered by a battery; each and every completely charged battery can scan as much as 20,000 scans or can stay on for as much as 30 hours. The regular line or range is a single hundred and sixty feet; though for some models, there is nonetheless space to become capable to scan and retailer outdoors these lines for one particular to twelve inches away in the boundary by using the memory mode. For all those models which are connected with wires to a station, these can commonly extend for up to 5 feet which tends to make moving it around much easier than that using a really brief cord. These hand held scanners are now additional usually featured using a plug and play feature through a USB plug; this will allow 1 to quickly connect the scanner to the port station without needing to install it having a separate application.

If a single would be to contemplate buying among these , you’ll find a couple of variables to consider to be capable to produce a sensible choice. They would need to 1st determine the objective of its use for them to be capable to create the best selection. The first thing to think about need to be what form of bar code is going to be scanned; there are two types; the 1 Dimensional along with the 2 Dimensional barcode. A 1 dimensional barcode is the fact that which is most typical; these come in a series of vertical bars of various densities as a result forming a rectangle. Nevertheless, for codes which need more info, these are the two Dimensional barcodes which appears really distinctive and might look like a small pattern, sometimes are available in boxed pictures. The orientation of how the barcode will be scanned is an additional factor; probably the most common Handheld Barcode Scanner would be the a single which has linear beams; that is only helpful when the scanner has been positioned to be perpendicular to the barcode.

The other variety is the omni Directional scanner; that is where the scanner is helpful in scanning barcode irrespective of the orientation from the barcode-may it be horizontal, diagonal or vertical, it’s going to nonetheless be able to study and interpret the bars. When the scanner are going to be employed within a certain station considerably like that of a check out counter, they are able to choose the normal scanner that are wired and ported; on the other hand, for a lot more versatile requires for instance back room or inventory scans, the wireless version or the Bluetooth and memory mode featured scanners would be a much better match. Both the warranty and guarantee with the product will play an essential part in acquiring a scanner; if it will likely be employed within a compact scale goal or business enterprise, an extended warranty or those as much as five years or so may not be expected; nonetheless for those Handheld Barcode Scanners which will be utilised in industrial environments and can demand an enormous variety of scans and storage wants, those models with specified warranties which extend for long periods of time may be additional essential.

Picking Out Speedy Products In Barcode Labels

OK, I hear direct thermal, thermal transfer, polybopp, kimdura, jewelry, kapton, sticky, removable, permanent, tire adhesive, clean room, 3 inch core, 1 inch core, no core and more. How the heck does anyone make heads or tails out of what they need to make a decision on which barcode labels to use for what!

It is a crazy world out there and barcode labels are really making an impact on tracking that world. Look around in the store whenever you buy something. There will always be a barcode on it. Businesses are using them to track inventory in a closed loop environment too. Heck, I even use them to track my office supplies so I never run out of valuable printer toner or copy paper. That is going a little overboard, so lets really get into what the deal is with barcode labels.

I would bet that the most common barcode label out there is the direct thermal barcode label. That is because it is a paper label that is used on most UPS shipments every day and is only used for a temporary purpose so they are consumed at a really high rate. The direct thermal barcode label will fade over time. Fading occurs because the direct thermal label will react to heat. So only use this label if the image is only to be read for a few weeks and will not be in the elements.

barcode label

The thermal transfer barcode label is probably the next highest use label. This is a label that can be permanent adhesive or removable and is printed on with a ribbon. This makes the image more permanent and is used to barcode all kinds of product within distribution. Not only do companies use them to label product, but they also use these barcode labels to label rack locations in their warehouses. One of the best uses we have seen is to print the barcode labels and then put them on a magnetic strip. The magnetic strip is then put on the rack in the warehouse so if the warehouse is ever reconfigured, instead of having a mess of labels to peal off, just move the magnet.

Now, any of these labels can be made from paper, polyester, polystyrene, polybopp, kimdura, and many other materials. The material all depends on how much money you want to spend and what the application is going to be. If it is weather resistance you need in a barcode label, then any of the above synthetics will work. They each have different durability components. A polybopp or Kymdura will probably be the least expensive in the synthetics. The thing to keep in mind with the Kymdura is that unlike the polyester, it will rip. There are many other material like Kapton ( for very hot applications- up to 1000 deg Fahrenheit), Valeron (for the automotive industry) and many more.

Adhesive is the next area of mystery in barcode labels. Most applications are fine with a permanent adhesive. There are exceptions where a removable adhesive is needed. Now we need to remember that no adhesive is totally removable if it is on the product for an extended period of time. Removable adhesives will become permanent after years of it being applied. There are also ultra removable adhesives that will leave little to no residue. One of my favorites is a Tire adhesive. This is a gooey thick adhesive meant for barcode labels that go on tires or rubber. The warning here is that they may gum up your thermal transfer printer a bit.

All of the above barcode label materials and adhesives can be used and made into clean room barcode labels. For clean room applications, barcode labels need to be free of loose fibers and contaminates that can infect a clean room. This is done in a controlled environment and the packaging is then air locked and sealed for shipment to the clean rooms. This is really a special application and shows the diversity in barcode labels in the market.

Finally, we are looking at “what does a core” have to do with barcode labels? Well, some barcode printers require a 1 inch core in the center of the roll of barcode labels to make it work in the printer. Other barcode printers require a 3 inch cardboard core in the center that the labels are wound around. Other printers can actually use no core or a fan-folded barcode label. We have even seen an application for a 5 inch core. Now that is crazy! Anyway, the core is just how the barcode labels are finished and used in the appropriate printer.

Most of these barcode labels in any of the forms or materials listed are sold blank for the users to print on them using their equipment. There are many times that customers will not want to print the barcode labels themselves and have the labels sent in preprinted. Preprinted barcode labels are common if the barcode specification is really complex. The user relies on a barcode label expert to preprint these barcode labels and send them as a preprinted barcode label. They can be packaged and made with any of the above materials for any application.

Well, this little bit of information can really help when trying to make the proper decision on barcode labels for your business. So, fit the proper material to the proper application and your barcode labels will work like a charm.

Barcode Inventory System Solutions

As any business person knows, inventory accounts for a main part of business enterprise investment no matter if we are speaking about raw material, components or finished goods. A significant aspect in achieving a profitable return on this investment will be to handle it as effectively as you can and a vital offered tool is often a barcode inventory technique.

With such a program in place, you might realize the following advantages:
– Knowledge of specifically what you have got in entry and where it is located
– On-line real-time information about inventory levels and reorder levels and economic order quantities
– Particularly efficient data input and output
– Complete integration with your other application including your accounting and also other systems.

How you can Start:
Overall, you can find which you will be in a position to implement some type of “just in time” inventory management that is now broadly recognized as the most successful.

Fundamental hardware and computer software are fairly low-cost and simple to locate. Once you have acquired hardware and also the application and educated your staff to work with it, your barcode inventory method is prepared to go. All you have to do will be to make use of the master list as a beginning point and capture each of the information in your new system.

You will probably discover that the bulk on the things already carry barcode labels from the manufacturers that you could use. Remember that the barcode inventory program labels which you generate ought to incorporate areas considering the fact that each the system and your staff want to know specifically where each item is situated. One of the most price effective remedy for barcode labels should be to use barcode font which has excellent resolution and provides the very best value for funds.

Best things about IT Equipment Rental

Most corporations and especially startups encounter a dilemma of no matter whether to buy or go for IT gear rentals. There’s no denying that IT equipment are needed to meet several organization needs and are considerable for the successes of any company, however the challenge is the fact that technology is continuously fluctuating. The equipment that you simply acquire nowadays may very well be out of date within a couple of years to come. This puts most organizations beneath stress to often upgrade their IT equipment. Otherwise they may shed out on competitive edge of technologies.

Features of IT Rental Equipment

Hiring IT equipment can help you make use of your newest technologies within the market. You might be able to have the latest IT gear from the rental service providers devoid of spending lots of funds. If you go for IT gear rental, you don’t have to bother with identifying the newest inside the market place. You are able to only concentrate in your core firm. You also don’t have to invest heavily in IT gear and the funds offered can care for some significant operations of the enterprise. You also do not should borrow revenue for acquiring IT equipment.

Solutions Offered

IT gear Service providers provide various alternatives to enterprises. They are able to rent you on quick or lengthy term basis or a rent to buy basis. You could possibly rent for any week, month or a year or even longer periods based on your needs. If you need to utilize the equipment for longer time, you might be charged around the basis of period you might have used them. You’ll not be needed to spend for the entire month in the event you opt to help keep the gear to get a handful of far more days.

Most businesses pick out lengthy term alternative offered by rental service providers. They obtain it handy to hire the equipment for a single year then upgrade to newest technologies due to the fact they do not need to worry about disposal or getting the capital outlay for getting new gear. For rent to get choice, you might be in a position to rent the equipment for 1 year and appreciate tax benefits. You could then choose to either purchase the gear at 25 percent from the regular worth or retain it by paying rent at 50 percent of your initial rent.

Services Provided

IT gear rentals offer you customized private services regardless of whether or not your desires are huge or modest. When you have identified your specifications, the service providers will send their group of specialists to assist recognize the best possibilities for your unique desires. Customization of solutions also constitutes identifying programs and software that could assist you to comprehend the optimum rewards. Other service providers supply money backs when you upgrade the program each two years.

IT gear rentals service providers also include things like upkeep as component on the contract. You don’t need to hire specialists to deal with IT equipment challenges. Some IT gear which you can take on rentals involve individual computers, Apple, scanners, barcode printer, photocopier, laptops, Macs, network solutions, plotters, and barcode scanner rental.

It really is important to find the service provider that totally understands all your IT requirements and aid your enterprise realize its goals. Generally study quite a few providers prior to selecting the proper corporation that should support your company grow.

CK3 Handheld Computer

Many organizations today deal with a large amount of merchandise that requires processing and transportation. Technology has come a long way in aiding these processes and vastly improving their accuracy whilst at the same time keeping the cost to the company at a minimum. The CK3X mobile computer is the latest innovation from Intermec. Through its adaptable and ergonomic design, the handheld computer can lead to increased productivity in the workplace whilst simultaneously being cost effective and simple to deploy.

The CK3X comes equipped with a choice of either a high motion tolerance 2D area imager or a 2D near/far area imager. The scanners are designed so that they are capable of fast motion scanning, meaning that employees can scan whilst continuing to move – saving valuable time in the long haul. Further they are capable of scanning in a range of directions ensuring that no matter which way the scanner is pointed to the barcode, it will still be able to read it. Their scanning capabilities don’t stop there however, with the scanner being very well adapted to reading worn out or damaged barcodes, something that is inevitable in a work place.

These barcode scanner upgrades prove to be only the tip of the iceberg when it comes to the CK3X handheld computer. The computer boasts an 802.11 a/b/g/n as well as a Bluetooth radio. A further attachment allows an RFID reader to be installed on the computer should it be required. For companies who already have existing handheld computers and wish to transition towards the CK3X, this process has been made easy through the use of Intermec’s CloneNGO device. This process allows a copy to be made of a previous unit that will store all the settings previously used. This clone can then be applied to all newer units, making the transition from old to new painless and simple for companies.

Intermec’s CK3X comes equipped with a Microsoft Windows operating system for handheld devices. As a result of this, it is compatible with many different applications and programs that may be required for a company’s warehouse. Once again, for those who already have existing CK3 computers, the latest CK3X is compatible with all accessories such as chargers and docking stations, once again reducing the cost to the consumer.

Being a computer to be used in a warehouse on the move, it is built rugged to avoid breaking and damage if dropped or exposed to harsh conditions. The CK3X has been tested and can withstand many drops from 1.5 meters onto a concrete floor. It is resistant against many operating temperatures and is not troubled by both rain and dust that may come with the job. It boasts a lengthy battery life that will last the shift, meaning that it won’t have to be charged in the middle of the day. Despite all these features, the computer shows none of the size and weight of similar computers. All this means that a company needs not return barcode scanner repair, saving both time and cost and increasing efficiency.

Intermec’s CK3X handheld computer is the perfect choice for companies choosing to integrate new technology into their existing processes. With proven success, the CK3X can take your business to new heights.