instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity

mechanical system to inject atomized fuel directly into the cylinders of an internal-combustion engine; avoids the need for a carburetor

a mechanical system of rods or springs or pivots that transmits power or motion

mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings

mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it

a mechanical system of springs or shock absorbers connecting the wheels and axles to the chassis of a wheeled vehicle