A device which converts mechanical force and motion into hydraulic fluid power.

A simple machine consisting basically of a wheel with a grooved rim in which a pulled rope or chain can run to vary the direction of the pull and thereby lift a load.

Pulverized or ground ore in solution.

A side plate in a vane pump or motor cartridge on the pressure port side.

Pipes are long metallic or plastic solid tubes used in order to transfer liquids or gasses.