A condition where the particles (dust) becomes embedded in the fabric filter over time and are not removed by the bag cleaning process.

The fitting in the bottom of the boat in which the bottom or heel if the mast sits.

Navigable channel.

A naval rank next below that of lieutenant-commander, which is next below that of captain (the equivalent of commander).

Freight that has not been called for or picked up by the consignee or owner.

Gross tonnage is the basis on which manning rules and safety regulations are applied, and registration fees are reckoned. Port fees are also often reckoned on the basis of GT and NT. GT and NT are defined according to formulas which take account, among ot ...

A distinctive fixed reference point that can be used for navigation.

Open Shelter Deck ship.

An object used as a reference point while navigating.

A call requesting direction in answer to the report of a lookout that an object has been sighted.

This is a factor expressing deviation of a gas from perfect gas laws.

Cargo landed in excess of the quantity on manifest.

A small wooden, metal or plastic insertion at the head of a mainsail.

Indirect heat exchanger designed to transfer heat from combustion gas to the air stream added to the combustion zone.

The average level of the oceans, used when finding water depths or land elevations.

An order meaning sufficient (enough).

The power that is consumed to overcome the frictional losses when operating in an unloaded condition.

An entry that allows foreign merchandise arriving at one port to be exported from the same port without the payment of duty.

A fabric, usually synthetic, used to make sails.

A single turn of rope when a rope is coiled down.