A certified document showing the origin of goods; used in international commerce.

Compressor controls will run the compressor at varying loads to accommodate demand variations. Running a compressor at less than full load results in a drop in compressor efficiency and thus an increase in operating costs.

Abbreviation for "Standard Transportation Commodity Code."

To place pieces of dunnage in between pieces of cargo in order to prevent shifting of the cargo.

The slight deflection of very small particles in a gas stream that occurs when rapidly moving gas molecules strike them.

CFM. An airflow measurement of volume.

Goods from a captured ship which was permitted to be distributed among the captors at once.

Going sideways due to a current's set.

Two lines spliced together to form an eye.

The deck chest in which the bos'n keeps his deck gear.

An untidy loose end of a rope (or rags).

Are the connections between the headers and the work station.

A point through which all buoyant forces on an immersed hull are assumed to act.

A ship builder, or one who works about a ship. Does wood carpentry on the ship and keeps ships faired. Builds launching ways and launches ship.

To braid used with small stuff.

Circular metallic elements that ride in the grooves of a piston and provide compression sealing during combustion. Also used to spread oil for lubrication.

A reference book named after the original author, Nathaniel Bowditch. Updated versions contain tables and other information useful for navigation.

To know and to be able to recite the points of a compass from north to south to north again, both clockwise and counter-clockwise.

A two-masted vessel with foremast square rigged, and mainmast fore and aft rigged. Originally, a ship of brigands, or pirates.

The pressure at which a pressure operated valve begins to pass a gas.