Distillation is a method of separating mixtures based on differences in their boiling points in a liquid mixture.

A measurement of the accuracy of a reflection in a paint film, which assists the painter in determining the quality of the surface gloss.

A component in the ignition system that houses the primary circuit switching device and the secondary circuit distribution components.

Used on air injection systems to control the air feed according to the engine running conditions. Also known as a 'dump valve'.

A digital circuit that, for example, reacts to only every second input hence dividing it in two.

Data link connector for connecting a diagnostic tool to a vehicle's electronic systems.

Pegs or similar used to transfer drive rotation from one component to another.

Pegs or similar used to transfer drive rotation from one component to another.

Dual overhead camshaft. Sometimes double overhead camshaft.

A rubber universal joint shaped like a donut.