A physical object that is an assembly of a sensing element and necessary ancillary devices making it able of detecting a state, e.g. pressure, temperature, or detect the presence of a selected substance, and produce a signal based on the detection.

A switchgear and controlgear that is an insulated panel carrying terminals, fuses, etc, for controlling a number of subsidiary electrical circuits.

Is a large-scale centralized facility that chills water or produces cooled fluids.

Is a system that chills water or produces cooled fluids.

Is a pump, flow control, and accessory instrumentation packaged in a frame that feeds a set amount of treatment chemicals, additives, or neutralizing agents into a waste, water, or industrial process stream at a measured and controlled rate.

A drain is the primary vessel or conduit for unwanted water or waste liquids to flow away

A drier is a physical object that is intended to remove absorbed or adsorbed liquid or water vapour below saturation state.

collection of conduits for the underground routing of electric and telephone lines, as well as other utilities, protected by a concrete encasement

is a wastewater treatment system consisting of one or more tanks or compartments that utilize microorganisms, fungi, algae, plants, or small animals to consume organic waste and remove nutrients through natural biological processes

An actuator that produces a specified movement when excited by an electric signal.

An electric accumulator that comprises one or more cells fitted with devices necessary for use, for example case, terminals, marking and protective devices.

An energy transducer that transforms non-electric energy into electric energy.

A heater in which electric energy is converted into heat for useful purposes.

An electric machine for transforming electric energy into mechanical energy.

An electrical conductor that has several power distribution points.

A starter in which the force for closing the main contacts is provided exclusively by electrical energy.

An electrical connector in which the terminals of an electricity supply are inside holes made to receive the pins of a plug.

A switch that turns electrical current on and/or off.

An electronic converter that changes direct electric current to single-phase or polyphase alternating currents.

A lift that has a chamber or compartment for moving personnel or goods.

An internal combustion engine that is an induction compression ignition exhaust engine which ignites a fuel air mixture.

A moving staircase consisting of an endlessly circulating belt of steps driven by a motor, which conveys people between the floors of a building.