Old unit of torque. Also pounds/feet. Torque is now given in the SI units of Newton metres (Nm).

When applied to tyres describes the area and shape of the part of the tyre in contact with the road.

Exerted to overcome a load.

The comparison of the force applied to the force produced via some kind of machine or system.

A method of accelerating the drying of paint with the aid of heat.

A component forming process applied to hot metal with a hammer or die either by hand or machine. Also hot stamping.

Part of the door latch mechanism, clutch or gearbox. Fits around another component to hold or move that component.

This relates to any fuel made from hydrocarbon deposits such as coal, petroleum, natural gas and, to some extent, peat; these fuels are irreplaceable, and their burning generates the greenhouse gas carbon dioxide.

The conventional operating principle for the modern internal combustion engine consisting of the induction, compression, combustion/power and exhaust strokes.

Transmission system that uses all four wheels of a vehicle to provide a drive. This term is usually used on vehicles with selectable four wheel drive. The term AWD for all wheel drive is used for vehicles with permanent four wheel drive.