A railing or wall to provide a protective edge to prevent people from falling over the edge of stairs, a roof or mezzanine work area.

A railing or wall to provide a protective edge to prevent people from falling over the edge of stairs, a roof or mezzanine work area.

A large flat-bottomed boat that is built for carrying goods and people on rivers and canals or in harbours, with or without sails, towed by a tug or horse. Also a similar boat with its own engine.

A container intended to store liquid or solid material partly or totally below grade and that is typically open.

A container intended to store liquid or solid material partly or totally below grade and that is typically open.

A container that has a characteristic shape and that is made of material with an open structure.

A container that has a characteristic shape and that is made of material with an open structure.

A direct current power supply unit intended to supply stabilised DC electric power according to specified levels and tolerances.

A direct current power supply unit intended to supply stabilised DC electric power according to specified levels and tolerances.

A direct current power supply unit for charging batteries.

A direct current power supply unit for charging batteries.

A compartment or area within a building with a specified function.

A compartment or area within a building with a specified function.

A support that is a large and straight piece of normally timber or iron forming one of the main structural member of a building or supporting structure.

A support that is a large and straight piece of normally timber or iron forming one of the main structural member of a building or supporting structure.

An equipment item that can be clamped to a beam to provide an attachment.

An equipment item that can be clamped to a beam to provide an attachment.

Is a pump jack that converts the rotary motion to vertical reciprocating motion.

Is a pump jack that converts the rotary motion to vertical reciprocating motion.

A physical object intended to support and locate a moving or static element and capable of reducing friction and transfer forces in a connection.

A physical object intended to support and locate a moving or static element and capable of reducing friction and transfer forces in a connection.

A physical object that is a hollow body with a flared mouth made of cast metal. Formed to emit a clear musical sound by the sonorous vibration of its entire circumference when struck by a clapper, hammer or other appliance.

A physical object that is a hollow body with a flared mouth made of cast metal. Formed to emit a clear musical sound by the sonorous vibration of its entire circumference when struck by a clapper, hammer or other appliance.

A Bell nipple is a section of large diameter pipe fitted to the top of the blowout preventers that the flow line attaches to via a side outlet, to allow the drilling fluid to flow back over the shale shakers to the mud tanks. Also an enlarged pipe at the top of a casing string that serves as a funnel to guide drilling tools into the top of a well.

A conveyor that consists of a suitably tensioned endless belt made from hard wearing materials and arranged to run over rollers.