A wafer pattern valve that is a check valve with a wafer pattern valve body.

Which is flat and typically vertical suitable for separation.

A compactor is a machine or mechanism used to reduce the size of waste material.

A water cooler is a device that cools and dispenses water.

Is a fresh water system.

A device for producing drinking water, but not necessarily by reverse osmosis.

A skid assembly containing the units required to operate a water mist system.

A physical object that is intended for water transport.

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 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.

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 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 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 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.

A sling for enclosing material to be hoisted by a tackle or crane made by wire.

A wireless access point (WAP) is a device that allows wired communication devices to connect to a wireless network using Wi-Fi, Bluetooth or related standards. The WAP usually connects to a router, and can relay data between the wireless devices (such as computers or printers) and wired devices on the network.

An analysing instrument intended to determine the wobble index of a gas.

A physical object that is an arched device intended to embrace two parts to hold or unite them in position, or to divide loads.