Is a pipe coming from the top of the airline to feed air to an outlet for tools or air operated devices, so that condensation does not easily flow into the dropleg.

The evolution of swinging a ship's head through several headings to obtain compass errors for the purpose of making a deviation table.

Represents a complete record of the transaction between exporter and importer with regard to the goods sold. Also reports the content of the shipment and serves as the basis for all other documents about the shipment.

A rate published to apply to a specific article or articles.

A system in which air supply is matched to demand by the starting and stopping of the unit.

The designation provided in a classification by which a class rate is determined.

The great circle on the celestial sphere in the plane of the earth's equator; also called the celestial equator. The sun is on the equinoctial twice a year, on the equinoxes, March 21 and September 23. On these days the sun rises at 6 a.m. and sets at 6 p ...

A safety device, used to fasten a propeller to its shaft; it breaks when the propeller hits a solid object, thus preventing further damage.

A letter of credit, issued by a foreign bank, whose validity has been confirmed by a domestic bank. An exporter with a confirmed letter of credit is assured of payment even if the foreign buyer or the foreign bank defaults.

Ships which can carry both liquid and dry bulk cargoes.

The amount the compass is deflected from the true direction by variation (magnetic) and deviation (metallic influences) together

A basin for receiving a vessel for repairs, capable of being pumped dry (to repair vessel and scrape marine growth from bottom).

A method of bending a material into an appropriate shape without heating or steaming the material first to soften it.

Hypocritical smile, or sneer.

An anchor carried at the stern.

Refrigeration equipment attachable to an insulated container that does not have its own refrigeration unit.

A unit used in comparing freight earnings or expenses. The amount earned from the cost of hauling a ton of freight one mile.- The movement of a ton of freight one mile.

Is a process taking place under constant pressure. To change the volume from state 1 to state 2, heat must be removed. The temperature change is proportional to the change in specific volume.

A crossbeam at the upper part of an anchor.

Lifting device attached to a crane.