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A transmitter for weighing large quantities of material, and of which the output is proportional to the measured weight.
A transmitter for weighing large quantities of material, and of which the output is proportional to the measured weight.
A physical object for arc welding, either ac or dc, comprising a supply unit and a regulator.
A physical object for arc welding, either ac or dc, comprising a supply unit and a regulator.
A well is a collection of (zero or more) holes drilled into the Earth for the purpose of either (1) finding or producing underground resources; or (2) providing services related to the production of underground resources.
A well is a collection of (zero or more) holes drilled into the Earth for the purpose of either (1) finding or producing underground resources; or (2) providing services related to the production of underground resources.
The wellhead is assembled from, or incorporates facilities for, the upper casing and tubing hangers. This effectively provides the upper termination of the wellbore and provides a mounting position for the surface flow-control equipment or Christmas tree.
The wellhead is assembled from, or incorporates facilities for, the upper casing and tubing hangers. This effectively provides the upper termination of the wellbore and provides a mounting position for the surface flow-control equipment or Christmas tree.
A power transformer of which the magnetic circuit and windings are immersed in oil.
A power transformer of which the magnetic circuit and windings are immersed in oil.
A powerful machine with one or more drums on which to coil a rope, cable, or chain for hauling or hoisting.
A powerful machine with one or more drums on which to coil a rope, cable, or chain for hauling or hoisting.
A detecting element that can be the sensing element of an anemometer or wind gauge.
A detecting element that can be the sensing element of an anemometer or wind gauge.
A turbine that converts the kinetic energy of the wind into electrical power.
A turbine that converts the kinetic energy of the wind into electrical power.
A device which is an opening especially in the wall of a building for admission of light and air that is usually closed by casements or sashes containing transparent material (as glass)
A device which is an opening especially in the wall of a building for admission of light and air that is usually closed by casements or sashes containing transparent material (as glass)
A windsock, or wind cone, is a conical textile tube that resembles a giant sock. Windsocks can be used as a basic guide to wind direction and speed.
A windsock, or wind cone, is a conical textile tube that resembles a giant sock. Windsocks can be used as a basic guide to wind direction and speed.
A hoist utilizing a wire-rope for suspending load. Wire hoists are normally electrically powered, but also (hand) lever types exists.
A hoist utilizing a wire-rope for suspending load. Wire hoists are normally electrically powered, but also (hand) lever types exists.
Is a well services facility intended to handle wire lines.
Is a well services facility intended to handle wire lines.
A sling for enclosing material to be hoisted by a tackle or crane made by wire.