A physical object that is a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures.

An artefact joining two parts so that one or both can pivot freely (as on a bolt or pin).

An artefact joining two parts so that one or both can pivot freely (as on a bolt or pin).

An instrument panel dedicated to a particular system.

An instrument panel dedicated to a particular system.

An artefact class that contains classes of artefacts or physical resources required for a purpose.

A vessel intended to contain fluid for storage. Typically a receiving or collecting function for further distribution. Typically with a vertical and cylindrical or square shape and a flat or conical bottom.

A vessel intended to contain fluid for storage. Typically a receiving or collecting function for further distribution. Typically with a vertical and cylindrical or square shape and a flat or conical bottom.

A fluid regulator that controls the flow of liquid or gas from a pipe or container. Taps are often attached to a sink or bath.

A fluid regulator that controls the flow of liquid or gas from a pipe or container. Taps are often attached to a sink or bath.

A device that transfer data between a computer and a magnetic tape.

A device that transfer data between a computer and a magnetic tape.

In a communications network, a network node equipped for interfacing with another network that uses different protocols.

In a communications network, a network node equipped for interfacing with another network that uses different protocols.

A physical object that converts sound signals into corresponding variations of electric current (or potential), which is transmitted by wire or radio to a distant point where it is reconverted into sound.

A physical object that converts sound signals into corresponding variations of electric current (or potential), which is transmitted by wire or radio to a distant point where it is reconverted into sound.

A detector intended to detect temperature.

A detector intended to detect temperature.

A detecting element intended to sense temperature.

A detecting element intended to sense temperature.

A gauge that is intended to measure and indicate a temperature.

A gauge that is intended to measure and indicate a temperature.

A physical object that detects temperatures; records, modifies and/or displays or performs a combination of these activities.

A physical object that detects temperatures; records, modifies and/or displays or performs a combination of these activities.

A regulator that is intended to keep a temperature within certain boundaries.