A thin strip of metal which is used to adjust the clearance between mating parts, e.g. the two halves of a big end bearing.

Granular cargoes that adversely affect the stability. During roll, the granular material, such as grain, coal, etc., stays in place until the heel angle exceeds the angle of repose.

Wooden planks which are used to partition holds to prevent the movement of loose bulk cargoes. They are fitted fore and aft on the centreline in the way of hatches.

Protective gas used to prevent or reduce atmospheric contamination.

As used in international conventions, the government of the state whose flag the ship is flying.

An arc welding process with an arc between a covered electrode and the weld pool.

The confirmed or official ship dimensions.

The MacGREGOR Sherlog is a type-approved, ultrasonic testing system for verification of tightness of hatch covers, doors, ramps and windows.

A thermodynamic process described by that no heat is added or removed from the system.

A continous deck above the freeboard deck.

The plates forming the outer side and bottom skin of the hull. The shell plating is of crucial importance to the longitudinal strength of the ship structure.

A plan showing the seams and butts, thickness and associated welding of all plates comprising the shell plating, framing, etc.

Substance that makes things stick.

Doors in the side shell can be seen on almost every type of ship and are used for various duties. The most common ones are for passengers, pilot entry, and for bunker hoses

Bonding strength; the attraction of a coating to the substrate, or to another film of paint or any other material such as steel.

A type of the floating crane.

Chemicals added to fuel, lubricating oils or fresh water to improve their physical or chemical characteristics.

The top strake of a ship side shell plating.

The mass of water which is considered to be set in motion by a ship when heaving, pitching, rolling and vibrating.

The longitudinal curve of the vessel decks in a vertical plane, the usual reference being to the ship side; in the case of a deck having camber, its centreline sheer may also be given in off sets.