A monetary allowance to the customer for picking up or delivering at a point other than the destination shown on the bill of lading. This provision is covered by tariff publication.

A bolted rim used for attachment to another object.

The mechanical power required to compress polytropically and to deliver, through the specified range of pressures, the gas delivered by the compressor.

The difference between the discharge pressure and the intake pressure.

To place pieces of dunnage in between pieces of cargo in order to prevent shifting of the cargo.

Loose and broken ice in bays, or along exposed edges of floes.

The portion of the flow stream which has already passed through the system or the portion of the system located after a filter or separator/filter.

Adjustable stays used to support and control tension on the mast when the wind is from abaft the beam; temporary backstays used to stabilize the mast and prevent undue flexing due to the pumping action of the sea.

A contract term meaning both parties agree to provide something for the other.

An able-bodied seamen entrusted with the steering of a vessel when entering or leaving a harbor. He is also involved with the use and upkeep of navigational equipment.

A layer of dust built up on an air filter.

Machines in which compression is effected by the positive action of rotating elements.

Thin plates attached to the exterior of the hull to deaden any rolling.

A reference book named after the original author, Nathaniel Bowditch. Updated versions contain tables and other information useful for navigation.

A bullying and tyrannical officer; he would drive his crew by brutality and the power of his fists.

Structural members on the longitudinal sides of the base of the container.

A large reinforced eye in the leech and clew of a sail that allows a line to fasten to it; e.g., the reef cringle and clew cringle.

Refers to the shape of a boat's (usually power boat) hull. A deep V hull is usually good at cutting through rough waves at high speeds.

On a square-rigged ship, the short pieces of line which hang from the yards and support the footropes on which the topmen stand while working aloft on the sails.

Air at a temperature of 68