A drilling tower with turntable and mudpumping system. It may be installed on an offshore rig or placed on a fixed or floating offshore installation like a drillship.

Incinerators, compactors, communiters or other devices for shipboard garbage processing.

All ships of tonnage 100 gross or above as well as every ship which is certified to carry 15 persons or more, must have a Garbage Management Plan.

The Italian Ministry of Environment ordered 30 fast boats for removing rubbish and floating debris from protected coastal areas. The first craft was delivered in 2003.

Garbage means all kinds of victual, domestic and operational wastes generated during the normal operation of a ship and liable to be disposed of on regular basis or periodically. It does not include fresh fish and parts thereof or sewage.

1. A narrow portable platform used as a passage by persons entering or leaving a vessel moored alongside a pier or quay. 2. A raised walkway between superstructures such as the forecastle and the bridge or between the bridge and the poop.

Coating metal parts with zinc for protection against rusting.

A kitchen on a ship. The galley and the messroom are usually on the same deck. It is ideal to have provision stores at the same level. If this is not possible, direct stairs should connect the galley and provision stores.

A barge equipped for drilling operations in smooth seas. Normally it is not equipped with its own propulsion machinery. Max. drilling depth approximately 150m.

1. Exploration drilling – The search for hydrocarbons by drilling a hole (well) into the seabed to determine reservoir location and estimate its size. See also Mobile Offshore Drilling Units.

Ship serving drilling installations, which are on a ship or a barge for storage, accommodation, etc.

The risers are pipes through which the drill string carries out the drilling function. A marine drilling riser system provides a tubular conduit from the drilling unit to the subsea blow out preventer (BOP) and the wellbore below it.

Heavy, thick-walled tubular couplings which connect the drill bit to the drill pipe.

Thorough practical training and usually with repetitive exercise. Every crewmember shall participate in at least one abandon ship drill and one fire drill every month.

Moving of an anchor over the sea bottom to control the movement of the vessel.

According to Significant Ships of 1997 The dredging equipment features double articulated 700mm diameter trailing suction pipes port and starboard. Each is fitted with a draghead having six nozzles fed from a 260mm diameter jet water pipe.

Dredging is a displacement of soil, carried out under water. It serves several different purposes. One of the applications meets the need to maintain minimum depths in canals and harbours by removing mud, sludge, gravel and rocks.

The vertical distance from the moulded base line amidships to the actual waterline. - Air draught -The maximum distance from the water level to the highest point of the ship at the prevailing draught.

The number markers on each side of a ship at the bow, stern, and amidships, to indicate the distance from the lower edge of the number to the bottom of the keel or other fixed reference point.

A non-return valve used for drainage purposes.