A level transmitter that is producing a standardized electrical output signal based on the input signal from a radar type level sensor.

A personal radiation monitor is a device that detects the presence of any radiation sources.

A personal radiation monitor is a device that detects the presence of any radiation sources.

Is a heat exchanger which cools a fluid and heats the surrounding environment.

Is a heat exchanger which cools a fluid and heats the surrounding environment.

A radio transmitter, usually non-directional, that emits identifiable signals intended for radio direction-finding.

A radio transmitter, usually non-directional, that emits identifiable signals intended for radio direction-finding.

A mobile radio communications centre.

A mobile radio communications centre.

A transceiver which has the methods of signalling through space, without connecting wires.

A transceiver which has the methods of signalling through space, without connecting wires.

A level transmitter that is producing a standardized electrical output signal based on the input signal from radioactive level measurements.

A level transmitter that is producing a standardized electrical output signal based on the input signal from radioactive level measurements.

Intended to generate radioactive radiation.

A signal at a railway grade crossing that indicates the approach of a Locomotive.

A signal at a railway grade crossing that indicates the approach of a Locomotive.

A safety system to govern the use of single rail tracks to ensure only one locomotive can use the track at any one time. The rail key token station controls the issue of key tokens permitting movement.

A safety system to govern the use of single rail tracks to ensure only one locomotive can use the track at any one time. The rail key token station controls the issue of key tokens permitting movement.

A physical object that consists of two parallel steel rails, generally anchored perpendicular to beams or railroad ties of timber, concrete, or steel to maintain a consistent distance apart, to facilitate transport on the rails with vehicles arranged in a train without the need for steering.

A physical object that consists of two parallel steel rails, generally anchored perpendicular to beams or railroad ties of timber, concrete, or steel to maintain a consistent distance apart, to facilitate transport on the rails with vehicles arranged in a train without the need for steering.

A sloping surface joining two different levels, as at the entrance or between floors of a building.

A sloping surface joining two different levels, as at the entrance or between floors of a building.

Is a piece of hardware intended to read and decode information encoded on a carrier.

Is a piece of hardware intended to read and decode information encoded on a carrier.

A positive displacement compressor in which forced reduction of gas volume takes place by the movement of a displacing element in a cylinder or enclosure.