The opening up the back (aft) edge of the mast in which the mainsail luff rope slides when it is hoisted. Some masts have an external sail track.

Those causes of loss for which the carrier is not legally liable. The elemental risks of ocean transport.

Method of settling disputes which is usually binding on parties. A clause usually in a charter party.

A device consisting of a heat transfer system, a moisture elimination system and a refrigeration system designed to improve the quality of the air and reduce the temperature of the air.

The art and science of designing vessels.

The height of the decks, below decks.

Unlit navigational aids for use during the day. They mark a bearing to a channel when they are lined up one above the other. Leading lights are lighted at night and serve the same purpose.

A low headroom space below decks used for provisions or spare parts, or miscellaneous storage.

The actual temperature of a moving gas stream. It is the temperature indicated by a thermometer moving in the stream with the same velocity as the stream.

Filter rating indicating the approximate particle size for which the majority will not pass through a given filter. It is generally interpreted as meaning that 85% of the particles of size equal to the nominal filter rating will be retained by the filter.

The oily condensate discharged by lubricated air compressors. The name is derived from the appearance of the condensate. Under normal conditions oily condensate should just be cloudy, like a small amount of milk in a bucket of water. When a lubricated com ...

A filtering unit for vented enclosures installed to prevent dirt and foreign matter from entering the enclosure. Also prevents oil loss by retaining oil droplets and draining the oil back to the sump.

Man employed in unloading ships in harbour, or in taking a ship from one port to another. Paid "lump" sum for services.

A protective cover wrapped around the mast at the deck on a keel stepped boat to prevent water from entering the boat.

Water washing over; the situation of an object when almost submerged.

a wind coming from the northeast

An instrument designed to detect the ultrasonic emissions and convert them to audible signal.

A knot used to tie two lines together.

On a square-rigged ship, a tackle used for hoisting casks and provisions.

Usually refers to intracity hauling on drays or trucks.