The Repair of Vehicle Bodies, Fifth Edition

Glossary

A-B

Abrasive
A Substance Used for Wearing Away a Surface By rubbing.
Acceleration
Acceleration is the rate of change of speed.
Accelerator
A constituent of synthetic resin mix which hastens a reaction.
Accessories
Optional extras not essential to the running of a vehicle, e.g. radio, heater.
Acetone
A liquid hydrocarbon capable of dissolving twenty-five times its own volume of acetylene gas at atmospheric pressure.
Acetylene
A combustible gas which is mixed with oxygen and used in oxy-acetylene welding.
Adhesion
The ability to adhere to a surface.
Adhesive
A substance that allows two surfaces to adhere together.
Adjustments
Necessary alterations to improve tolerances in fit.
Air bags
A passive safety restraint system that inflates automatically on vehicle impact to protect the driver.
Alignment
The operation of bringing into line two or more specified points on a vehicle structure.
All-metal construction
Generally this applies to those body shells of both private cars and light commercial vehicles in which the construction is in the form of steel pressings assembled by welding, thus forming a fabricated unit.
Alloy
A mixture of two or more metals with, or without, other metallic or non-metallic elements.
A-post
A structural pillar on which the front door is hung.
Backfire
In gas welding, a momentary return of gases indicated in the blowpipe by a pop or loud bang, the flame immediately recovering and burning normally at the blowpipe.
Backhand welding
Sometimes classified as 'rightward welding'. A technique in which the flame is directed backwards against the completed part...

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Category: Welding Gases and Thermal Process Gases
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