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

A measurement. Parts per billion

The rules concerning which vessel has the right of way if there is a possibility of collision between two or more boats; written to prevent accidents and collisions; includes right of way, lights, pennants, and whistle signals

Maximum pressure a vessel, or air filter housing will withstand without bursting.

Abbreviation for "Cubic Meter."

The actual work required to compress and deliver a given gas quantity, including all thermodynamic, leakage and fluid friction losses. It does not include mechanical losses.

To lie at anchor; to ride out; to safely weather a storm whether at anchor or underway.

Said of a vessel when she is entirely surrounded by ice.

A line leading forward from the end of a mainsail boom to prevent the boom from swinging inboard while broad reaching or running. also Preventer

The acting of one person on behalf of another; a document authorizing one person to act on behalf of another.

A hitch used to join two ropes. It can be used between lines of different diameters.

To decorate a ship with flags in celebration of certain occasions.

Erecting the mast on the boat. The Mast Step is a fitting which supports the bottom end of the mast at the deck or keel.

A form used to acknowledge receipt of cargo and often serves as basis for preparation of the ocean bill of lading.

(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.

Costs that do not vary with the level of activity. Some fixed costs continue even if no cargo is carried. Terminal leases, rent and property taxes are fixed costs.

Occurs whenever the system undergoes either a change in state or an energy transfer at a steady stare.

The side-to-side (athwartship) motion of a vessel.

Closing small leaks in a vessel's underwater body by drawing a sail, filled with oakum, underneath her.