A two masted sailboat with the shorter mizzen mast placed aft of the rudder post. A ketch is similar, but the mizzen mast is forward of the rudder post.

Pay day

Devices with passages for directing flow into alternate paths.

The control ring in a valve which surrounds the seat, used to control pre open and blow down.

Authentication of B/L and when B/L becomes effective.

A revolving letter of credit that prohibits the amount not used during the specific period from being available afterwards.

The kelvin unit of thermodynamic temperature, is the fraction 1/273,16 of the thermodynamic temperature of the triple point of water. The triple point of water is the equilibrium temperature (o,01

Small passages

A device that limits fluid (liquid and gaseous) pressures by discharging some of the pressurized liquid or gas.

Cargo Not Otherwise Specified. Usually the rate entry in a tariff that can apply to commodities not covered under a specific item or subitem in the applicable tariff.

Distance at sea is measured in nautical miles, which are about 6067 feet, 1.15 statute miles or 1852 meters. Nautical miles have the unique property that a minute of latitude is equal to one nautical mile. Measurement of speed is done in knots where one k ...

The charge for moving a container through a container yard off or onto a ship.

A rate applicable to a carload of goods.

A document which requires proper signatures for consummating carriage of contract. Must be marked as "original" by the issuing carrier.

A compressor belonging to the group of dynamic compressors. Characterized by radial flow. (Centrifugal)

100 fathoms or 600 feet (6 feet to a fathom).

Ports in order of calling

States that the volume of a mixture of gases is equal to the sum of the partial volumes which the constituent gases would occupy if each existed alone at the total pressure of the mixture.

An instrument that uses radio waves to communicate with other vessels. VHF very high frequency - radios are common for marine use, but are limited in range. Single Side Band SSB - radios have longer ranges.

(Delivered Duty Unpaid) (...Named Port of Destination):A Term of Sale where the seller fulfills his obligation to deliver when the goods have been made available at the named place in the country of importation. The seller has to bear the costs and risks ...