A physical object that is an element that receives a process variable signal from a sensor and converts it into an output signal.

A narrow excavation of considerable length cut into the ground.

A physical object that is intended to rotate within a fluid and to transform energy within a fluid into mechanical power.

An ac power supply unit that maintains a continuous supply of electric power to the equipment it protects.

Is a sterilizer intended to make use of ultraviolet light.

A fluid regulator that can be used to control (i.e. permit, obstruct, regulate or divert) a fluid stream.

A variable-(also changeable electronic-, or dynamic) message sign or message board, is an electronic sign that can display variable messages.

Is an artefact allows for the control of the amount of refrigerant flowing to multiple indoor evaporators, enabling the simultaneous heating and cooling of different building zones for improved comfort and efficiency.

A physical object that consists of an electric motor and controller that is used to adjust the motor's operating speed.

A physical object that is any conveyance (usually wheel, e.g. a cart, lorry, motorcar, but also a sledge) for goods or passengers on land.

A container intended for storage and/or processing of fluids.

Is a mechanical screening device used to separate materials by particle size through the use of a mesh screen and a vibrating motion.

a passage or path, especially one that is covered or raised above the ground

A device that uses x-ray electromagnetic radiation to scan.