The principal sail that is set on the main mast.

An enterprise in which there is a risk of loss.

The ability of a fluid that is insoluble in water to separate from water with which it may be mixed in the form of an emulsion.

A metal air-tight tank built into a boat to insure flotation even when the boat is swamped.

(Delivered Ex Quay, [Duty Paid]) (...Named Port of Destination):A Term of Sale which means the DDU term has been fulfilled when the goods have been available to the buyer on the quay (wharf) at the named port of destination, cleared for importation. The s ...

(1) Old nickname for a sailor, who would treat his canvas coats and hats with tar as a protection against the weather. (2) The distilled residue of gum extracted from pine trees, used for preserving many things.

A cargo on which the transportation charge is assessed on the basis of weight.

Is a measure of the rate of change of viscosity with temperature. Oils with high VI have low viscosity changes.

A compressor cooled by atmospheric air circulated around the cylinders or casing.

An indentation of the coastline between two headlands.

In the days of tall ships the barometer was a glass vessel with a thin stem. The fluid in the glass (in most cases water) would move up and down the stem as the pressure of the surrounding atmosphere changed. These movements were used to predict changes i ...

An opening such as a hole or vent. An opening through which air can pass, or a restricted opening placed in a pipe line to provide a means of controlling or measuring flow.

A track or groove in the back of the mast to which the sail is attached by means of lugs or the bolt rope.

An industry abbreviation for "Hazardous Material."

A day for general ship cleaning.

Fixed ports that do not open which are placed in the deck or cabin to admit light.

See Intracoastal Waterway.

Cargo thrown overboard in order to lighten the ship and washed ashore.

Little or no wind and flat seas

Member of a crew who works all day but does not keep the normal watches.