A large net with its mouth held open, towed by a trawler along the bottom to catch bottom fish.

Type of wrench used to tighten or loosen fire hose fittings.

A set of four twistable bayonet type shear keys used as part of a spreader to pick up a container or as part of a chassis to secure the containers.

A statement listing the particulars of all shipments loaded for a specified voyage.

Vessel or vessels of practically any size or type.

The part of a ship's rigging which is permanently secured and immovable; e.g. stays, shrouds, etc.

The portion of a valve used to guide the disc.

A liquid piston compressor is a rotary compressor in which a vaned rotor revolves in an elliptical casing, with the rotor spaces sealed by a ring of liquid rotating with it inside the casing.

A type of journal bearing in centrifugal air compressors.

Sailor slang for marriage.

A quality of compressed air for use with pneumatic instruments and controls. (usually dry and free from contaminants)

A flying bridge on top of a pilothouse or chart house.

The lower yard on a mizzen mast of a square-rigged ship.

Shoal area between two navigational channels.

On a square-rigged ship, a small triangular sail set above the skysail in fair weather. A square version is called a Moonraker.

The tensile or compressive loading on the crosshead assembly with compressive piston rod loading on the outward stroke and tensile piston rod loading on the inward stroke.

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 rail car without a roof and walls.

TRADES Foreign-to-foreign trade carried by ships from a nation other than the two trading nations.

The forward end of a ship's after superstructure, where the poop deck descends to the upper deck.