The amount of atmospheric dust which a filter will capture.

A signal which is hoisted during a sailing race to protest the actions of another (for rules infractions)

A valve designed to prevent air volume and pressure from escaping the compressor tank back into compressor heads while compressor is not operating.

A solid adsorbent used for drying compressed air.

In water transportation, the deliberate sacrifice of cargo to make the vessel safe for the remaining cargo. Those sharing in the spared cargo proportionately cover the loss.

Shallow keels, usually placed in conjunction with or in place of a center keel. Attached to each side of a vessel, they provide lateral resistance and stability, as well as support the weight of the hull of the ship on the ways when launching, or when in ...

All countries require that the importer make a declaration on incoming foreign goods. The importer then normally pays a duty on the imported merchandise. The importer's statement is compared against the carrier's vessel manifest to ensure that all foreign ...

A pipe, tube or channel that conveys a substance (such as air throughout a building).2. Tubes used to move air, such as to ventilate an enclosed area.

A type of flag used to identify a boater's affiliation with a yacht club or boating organization.

A written agreement between the master of a ship and the crew concerning their employment. It includes rates of pay and capacity of each crewman, the date of commencement of the voyage and its duration.

A multihull with two hulls separated by a deck or crossbeams from which a trampoline is suspended; abbreviated "cat."

A sudden burst of wind stronger than the current wind conditions.

Used with reference to charges assessed for cargo movement past a line-haul terminating point.

Water which runs down and collects in the bilges of a ship and usually becomes foul and noxious.

Similar to a whip, an instrument of punishment where seamen were flogged on their bare backs.

Used to describe a light that blinks on and off, where the period of light is shorter than the period of darkness separating the flashes.

Small charts showing tidal stream directions and rate of flow.

Percentage of time a compressor unit can operate at full load over a thirty minute period.

A valve which connects the high pressure side of a compressed air system to the suction side and is adjusted so as to maintain a specific pressure on the suction side by controlled bleeding of hot gas to the suction side.

Equipped to extract petroleum, e.g. oil production ship.