Compounds composed of carbon, hydrogen, and other elements with chain or ring structures.

A hole, usually with a precise drilling diameter to control a fluid flow or spray.

Oxygen Sensor

To move or swing from one place to another (e.g. side to side).

An electronic circuit that produces as signal of a set frequency.

Also shortened to ‘scope'. An instrument that draws an image to represent changes in voltage over a set time period.

An alternative term for the four stroke engine cycle using the name of its inventor.

A term used to describe a component that should be perfectly round or cylindrical but is not. Usually caused by wear but can be from faulty machining.

The most realistic way to measure the behaviour of a paint film. Manufacturers paint sample panels and leave them exposed to the elements for long periods of time, and inspect them at intervals to measure the effects of the exposure.

The outside rings of ball or roller bearings.