A device designed to remove solids, such as dirt, scale, rust and other contaminants from the air system.

Special vessels employed in exploration for, development of or continuous production of, subsea oil and gas.

Dioctylphalate aerosol (Efficiency Test Material).

A pulpit located on the stern.

Short period oscillation in level of enclosed, or partly enclosed, area of water when not due to the action of tide-raising forces.

A receptacle, open to atmosphere, that is used to used to collect condensate. For example, two or three drain pipes from various filters may be discharging into a funnel. In this case the funnel is a tundish.

A movement where the load initiates at an origin rail ramp and terminates at a consignee's door.

The process of checking the accuracy of and adjusting the ship's magnetic compass.

Freight on which transportation charges are calculated on the basis of volume measurement.

To reeve and secure a line.

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

The unloading of a container or cargo van.

Sailor's name for the north star, Polaris, which for all practical purposes remains fixed above the north pole, bearing north from everywhere in the northern hemisphere, making it a true aid to navigation.

The short deckhouse or main hatchway which is raised above the level of the cabin top or coachroof.

A rotating fitting used to keep a line from tangling.

All rigging, cranes, etc., utilized on a ship to load or unload cargo.

Two navigational aids separated in distance so that they can be aligned to determine that a boat lies on a certain line. Transits can be used to determine a boat's position or guide it through a channel. Also called a range.

Cargo ship of 14.800 tonnes deadweight.

The power which is theoretically required to compress a gas under constant temperature, in a compressor free from losses, from a given inlet pressure to a given discharge pressure.

To make fast. To bend a sail, is to make it fast to the yard. To bend a cable, is to make it fast to the anchor. A bend, is a knot by which one rope is made fast to another.