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A two or three wheeled vehicle designed to be propelled solely by human power, or a two or three wheeled vehicle that is a power assisted pedal cycle.
A wall that is designed to retain its integrity against a defined blast loading and fire that may subsequently follow.
A wall that is designed to retain its integrity against a defined blast loading and fire that may subsequently follow.
A valve that has one seat which provides a seal, and a bleeder line and valve that are tapped into the block valve's bonnet.
A valve that has one seat which provides a seal, and a bleeder line and valve that are tapped into the block valve's bonnet.
A valve that can be used for rapid depressurizing of a high pressure system.
An artefact which is a stack or an assembly of heavy-duty valves intended to be attached to the top of the casing to control the well pressure.
An artefact which is a stack or an assembly of heavy-duty valves intended to be attached to the top of the casing to control the well pressure.
A physical object intended to compress and supply air or gas at medium pressure and medium volume flow.
A physical object intended to compress and supply air or gas at medium pressure and medium volume flow.
A small open vessel for travelling on water.
A small open vessel for travelling on water.
An indirect contact heat exchanger that is intended to heat a liquid.
An indirect contact heat exchanger that is intended to heat a liquid.
A physical object intended to arrest or prevent the motion of an item. Typically by means of friction.
A physical object intended to arrest or prevent the motion of an item. Typically by means of friction.
A device for actuating an alarm system that required a person to break the glass cover.
A device for actuating an alarm system that required a person to break the glass cover.
A respirator in which air or oxygen is fed to a face mask carried by the wearer via a demand valve.
A respirator in which air or oxygen is fed to a face mask carried by the wearer via a demand valve.
Is a support structure intended to span a space.
Is a support structure intended to span a space.
A device to permit relative movement between a bridge and its support generally requiring periodic inspection and maintenance
A device to permit relative movement between a bridge and its support generally requiring periodic inspection and maintenance
A structure to control the formation of lateral buckles along a pipeline or flowline.