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1. a shallow cylindrical metal container of varying size used for storing and handling film
2. in the can (of a film, piece of music, etc.) having been recorded, processed, edited, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005


(design engineering)
A cylindrical metal vessel or container, usually with an open top or a removable cover.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


A closely woven cloth of cotton, hemp, or flax; sometimes adhered to a wall or deck to serve as a substrate for paint; used to cover roof decks that are walking surfaces or sun decks.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.


This article is provided by FOLDOC - Free Online Dictionary of Computing (

CAN bus

(Controller Area Network bus) A rugged, digital serial bus designed for industrial environments. Introduced by Bosch in the mid-1980s for in-vehicle communications, it is used in myriad applications including factory automation, building automation, aircraft and aerospace as well as in cars, trucks and buses. CAN bus replaced bulky wiring harnesses with a two-wire differential cable (the two wires carry inverted voltages to decrease interference).

CAN provides services at layers 1 and 2 of the OSI model and uses a broadcast method for placing frames on the wire somewhat similar to Ethernet. Bus distance is based on speed, ranging from a maximum of 40 meters at 1 Mbps to a maximum of six kilometers at 10 Kbps. At speeds up to 125 Kbps, CAN provides fault tolerance. If one of the two wires is cut or shorted, the other keeps transmitting. See OSI model.

In a vehicle, both low- and high-speed CAN buses are used. For example, window, lighting and seat control only need low speeds, while engine, cruise control and antilock brakes require high speeds. Two or three CAN buses may be used in a vehicle; for example, a high-speed bus may be dedicated only for safety (air bags, seat belt tensioners, etc.).

CAN-FD (CAN-Flexible Data Rate)
Introduced in 2012 by Bosch, CAN-FD increases the frame size from eight to 64 bytes. CAN-FD is no longer limited to the original 1 Mbps data rate and can be whatever the physical layer can handle.

CANopen and CiA
Introduced in 1995, CANopen is a high-level application layer protocol that provides services for processes, data and network management. The international organization that governs the CANopen protocol is CAN in Automation (CiA). For more information, visit See automotive systems and automotive Ethernet.


Slang for headphones or capacitors. See headphones and capacitor.
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References in periodicals archive ?
Maina Ndura, a farmer contracted by the Njoro Canners, called on governments to come up with low-cost, mechanized irrigation technologies for improved production.
The National Canners Association and California Canners League sprang into action, recognizing the particular vulnerability of this moment.
There were occasions even in the 1880s when Niagara growers and canners experienced labour shortages.
An 85-year Brantford retiree decided to put pen to paper a few years ago and after five rewrites, came up with a 235-page book describing his life story and the history of Canadian Canners Ltd., packers of Aylmer and DelMonte brand canned foods.
BUDGET supermarket Aldi opens its latest Warwickshire store in Canners Way, Stratford, on Thursday.
They'll also be able to check pressure canner gauges to make sure they're safe for canning low-acid foods for people who bring the lid and gauge along from their home pressure canners.
Eugene Gadsden usually speaks haltingly, but ask him about the indignities facing "canners"--the approximately 10,000 New Yorkers who support themselves by picking aluminum cans and glass and plastic bottles off city streets--and he becomes loud and impassioned.
September 30, 2010 -- Coca-Cola bottler South Atlantic Canners is to expand operations in Lee Country, South Carolina, it has been announced.
The book, which will scoop sports book of the year on Wednesday, at least highlights how far we have come in the battle against racism since Canners' playing days.
Four hundred recipes for modern canners and preservers are packed into a book branded with the Ball canning label for added impact: Ball made much of the home canning equipment for decades and this book packs in user-friendly recipes for novices and experienced canners, pairing a problem solver directory with tips on canning salsas, condiments, fruits, spreads and pickles.