Wood or metal supports (Dunnage) to keep shipments in place to prevent cargo shifting.

A person or firm, licensed by the treasury department of their country when required, engaged in entering and clearing goods through Customs for a client (importer).

The slowest speed at which a vessel steers.

The position of an object that lies off to one side of the vessel.

The point where the stem joins the forward end of the keel.

The assembly connecting the crankcase and connecting rod to the cylinder head and piston rod for translating circular to linear motion.

Insoluble material suspended in the lubricating oil. This material may come from contamination or oil degradation.

On gaff-rigged sailing vessels the luff of the mainsail is secured to the mast by wooden hoops, which slide up or down the mast as the sail is raised or lowered.

A measurement. Parts per billion

Back pressure.

A preparatory order (wait

Pieces of ice, about the size of a small house, that have broken off a glacier.

A small multi-pronged anchor used on dinghies and small boats. Also used to drag along the bottom to recover something that has sunk.

Material passed into the effluent stream composed of foreign materials incorporated into the filter medium.

Liquefied Natural Gas, or a carrier of LNG.

A non-negotiable bill of lading which states a specific identity to whom the goods should be delivered. See Bill of Lading.

The structure perpendicular to the shoreline to which a vessel is secured for the purpose of loading and unloading cargo.

Country, island or territory the vessel visits.

Small line used for whipping other light duties.

(1) A round eye through which a line is led, usually in order to change the direction of pull. (2) A thick piece of glass set flush in the deck to admit light below.