An inward structural failure of a filter element which can occur due to abnormally high pressure drop (differential pressure) or resistance to flow.

The minimum differential pressure that an element is designed to withstand without permanent deformation.

A bank that acts as an agent to the seller's bank (the presenting bank). The collecting bank assumes no responsibility for either the documents or the merchandise.

A draft drawn on the buyer, usually accompanied by documents, with complete instructions concerning processing for payment or acceptance.

Type of bulk carrier built for the carriage of coal.

Vessel used for transporting coal.

A watertight bulkhead at the forepeak extending to main deck. This bulkhead prevents the entire ship from being flooded in case of a collision.

A large square of heavy canvas fitted with lines to allow it to be drawn under the hull of a ship where it is damaged. The pressure of the seawater holds it tight against the ship and greatly reduces the inflow of water.

National flag or insignia flown by a ship at sea.

The national ensign.

Convention on International Regulations for Preventing Collisions at Sea.

Convention on International Regulations for Preventing Collisions at Sea; Rules of the Road. Internationally accepted rules by which vessels at sea must keep clear of each other.

When flogging a seaman, to run the fingers through the Cat-O'-Nine-Tails after each stroke to separate the strands in preparation for the next stroke.

A firm that acts as an export sales agent for more than one noncompeting manufacturer.

A rate made up of two or more factors, separately published.

Ships which can carry both liquid and dry bulk cargoes.

An anchor is said to come home when its flukes are not holding in the ground and it drags.

Bringing the boat from one tack to the other when sailing into the wind, so that the sail is flown in the opposite side by turning through the eye of the wind; Tack

To bring a sailing vessel into the wind and change to another tack. One who is influenced to a change of opinion.

The naval rank next below that of Captain.