Are load carrying machine elements permitting some degree of motion in which the lubricant is air or some other gas.

A portion of the discharge gas is redirected through a heat exchanger and then expanded back to suction pressure, where it is mixed with normal suction gas stream and commonly used to compensate for process flow demands.

A machine that compresses gases. Divided into two groups; process gas compressors and oil and gas field compressors.

The drying of compressed gases other than air. Equipment size, choice of materials and other specifications may be decidedly different for drying gases other than air because of the specific properties of the gases. Properties include specific gravity, sp ...

The behavior of perfect gases, or mixtures thereof, follows a set of laws. Boyle' law, Charle's law, Amonton's law, Dalton's law, Amagat's law, Avogadro's law, Poisson's law.

Specially designed for the transport of condensed (liquefied) gases. The most important gases are: ammonia, ethylene, LNG (Liquefied Natural Gas), which consists mainly of methane, and is cooled to a temperature of minus 163 degrees Celcius, and LPG (Liqu ...

Ties used to tie up the sails when they are furled to the boom or yards.

A type of valve in which the closing element (the gate) is a disc that moves across the stream in a groove or slot for support against pressure. A gate valve has relatively large full ports and a straight line flow pattern. Very little pressure drop howev ...

A valve with a faucet type handle used to restrict the flow of water in a line

Industry-related: A point at which freight moving from one territory to another is interchanged between transportation lines.

To attain headway (to get going or pick up speed).

An instrument for measuring, testing, or registering.

Is pressure as determined by most instruments and gauges.

Abbreviation for "Government Bill of Lading."

Abbreviation for "General Department Store Merchandise." A classification of commodities that includes goods generally shipped by mass-merchandise companies. This commodity structure occurs only in service contracts.

The general name for ropes, blocks and tackles, tools, etc. (things).

The outer resin surface of a fiberglass boat, usually colored.

Old term for the boat used by the captain to go ashore.

A non-bulk oil cargo composed of miscellaneous goods.

When U.S. Customs orders shipments without entries to be kept in their custody in a bonded warehouse.