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A physical channel that acts as a conduit for fluids, gases, pipes or cables to transfer from one point to another.
A 'detector' for measuring the velocity, mass, charge, flight direction, and number of dust particles in space.
A 'detector' for measuring the velocity, mass, charge, flight direction, and number of dust particles in space.
An electrical conductor that is a busbar used for earthing.
An electrical conductor that is a busbar used for earthing.
An electrode, which is the conductive part, that can be embedded in a specific conductive medium, e.g. concrete or coke, in electric contact with the Earth.
An electrode, which is the conductive part, that can be embedded in a specific conductive medium, e.g. concrete or coke, in electric contact with the Earth.
A detector intended to detect a leakage current to earth.
A detector intended to detect a leakage current to earth.
An electrode that is an earth electrode consisting of a metal plate buried in the ground.
An electrode that is an earth electrode consisting of a metal plate buried in the ground.
An electrical conductor that is used to connect the earthing system to structure.
An electrical conductor that is used to connect the earthing system to structure.
A resistance through which the neutral pint of a supply system is earthed, in order to limit the current that flows on the occurrence of an earth fault.
A resistance through which the neutral pint of a supply system is earthed, in order to limit the current that flows on the occurrence of an earth fault.
A control valve that uses a rotating disc as closing element, and with a design that causes the disc to take a slightly eccentric path during actuation.
A control valve that uses a rotating disc as closing element, and with a design that causes the disc to take a slightly eccentric path during actuation.
A valve that has a closing member which is an eccentric rotating disc.
A valve that has a closing member which is an eccentric rotating disc.
A form of suction pump; a device using a high pressure jet of water to create partial vacuum at an intake opening to draw liquid from a sump.
A form of suction pump; a device using a high pressure jet of water to create partial vacuum at an intake opening to draw liquid from a sump.
An actuator that produces a specified movement when excited by an electric signal.
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 electric accumulator that comprises one or more cells fitted with devices necessary for use, for example case, terminals, marking and protective devices.