Electrical resistor used in low tension circuit to regulate ignition coil output when the engine is running and is by-passed during starting to give an increased spark voltage for cold starting.

The maximum amount of information (bits/second) that can be transmitted along a channel.

A hydraulic joint consisting of a hollow through bolt and a hose connector that looks like a banjo and from which it gets its name.

Measurement of pressure - one atmosphere.

Barometric Pressure

Air or gas pressure measured in a standard unit. (Pascal, psi, bar)

Used to help prevent skin damage when working, for example, with oils.

Terminal of a transistor that becomes conductive to the emitter when energised. The trigger terminal of transistors and thyristors.

A colour coat requiring final protection in the form of a sprayed clearcoat. The basecoat provides colour effects and appearance, while the clearcoat provides gloss as well as UV and chemical resistance.

Reading, writing, speaking in English (or Welsh) and using numbers sufficiently well to be able to function in society and at work. Key skills and basic skills overlap at levels 1 and 2.