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Antilock Braking System - Computer, sensors and solenoid valves which together monitor wheel speed and modulate braking force if wheel lockup is sensed during braking. Helps the driver retain control of the vehicle during heavy braking on slippery roads. Acronym: ABS Reference: Truck Writers of North America (TWNA) Related Terms: Antilock Braking System - truck | trucking | vehicle | Block Exemptions - Agreements between the EC and other countries which include exemptions from the general prohibition by the EC of restrictive trade agreements. Reference: Professor Derek Urwin, Department of Politics and International Relations, University of Aberdeen, Aberdeen, U.K., http://www.abdn.ac.uk/~pol028/index.htmRelated Terms: Block Exemptions - international | trade | Fifth Wheel - Coupling device attached to a tractor or dolly which supports the front of a semitrailer and locks it to the tractor or dolly. The fifth wheel's center is designed to accept a trailer's kingpin, around which the trailer and tractor or dolly pivot in turns.
Reference: Truck Writers of North America (TWNA)
Related Terms: Fifth Wheel - sliding fifth wheel | trucking | Kingpin Trailer - Anchor pin at the center of a semitrailer's upper coupler which is captured by the locking jaws of a tractor's fifth wheel to attach the tractor to the semitrailer. Reference: Truck Writers of North America (TWNA)Related Terms: Kingpin Trailer - kingpin axle | trucking | Lock - An enclosure at a dam that allows the water level to be raised or lowered to allow water craft to pass.
Related Terms: Lock - canal | craft | river | vessel | Upper Coupler - Load bearing surface on the underside of the front of a semitrailer. It rests on the fifth wheel of a tractor or dolly and has a downward-protruding kingpin which is captured by the locking jaws of the fifth wheel. Reference: Truck Writers of North America (TWNA)Related Terms: Upper Coupler - fifth wheel | trucking |
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| WWW Virtual Library of Logistics Ver 4, Sep, 1999, Matthew D. Cox, logistics@logisticsworld.com Sponsored by LogisticsWorld. Copyright © 1995, 1996, 1997, 1998, 1999 MDC, All rights reserved. |
