Articles handled only under certain conditions.

A container insulated on the walls, roof, floor, and doors, to reduce the effect of external temperatures on the cargo.

A short piece of line spliced into the end of the clapper by which the bell is struck. Traditionally it is finished off with a double wall knot crowned in its end.

Sailing with the wind from astern, in the same direction toward which the wind is blowing

Line on a chart linking points of equal depth. also known as a Depth Contour.

Chocks which hold and anchor in place either in a locker or on deck.

An indicator which signals the difference in pressure between any two points of a system or a component.

Is a pipe extending downward from the bottom of the airline to collect any condensation flow in the pipe.

Money paid by shipper to Master of ship for diligence in care of cargo. Not now paid to Master, but added to freight. Amount was usually about 1% of freight.

A publication predicting the time and height of high tide and low tide.

A rope passed around (center) a boat or other object for hanging.

A device invented by Captain Jacques Cousteau in 1943 to enable a diver to operate underwater independent from an air supply from the surface.

A spring loaded pressure relief valve actuated by the static pressure upstream of the valve. The valve opens normally in proportion to the pressure increase over the opening pressure.

To take in, or lower a sail. To put out a light. To cover with water.

A complete package of pick up or delivery services performed by a carrier from origin to final consumption point.

The space between the two sides of the shell of a block in which the sheave is fitted.

A small storm jib made of very heavy cloth.

Determination of the dutiable value of imported merchandise by a Customs official who follows procedures outlined in their country's tariff, such as the U.S. Tariff Act of 1930.

Former name for the equipment of a vessel, and included the personnel.

Is the temperature at which water vapor begins to condense at atmospheric pressure. Is the same as dew point, but is related to atmospheric air only.