A vertical plate on the ship's centreline between the outer and inner bottom plating, extending the length of the ship.

Centrifugal force is an inertial force that appears to act on all objects when viewed in a rotating frame of reference.

A centrifugal governor is a specific type of governor with a feedback system that controls the speed of an engine by regulating the flow of fuel or working fluid, so as to maintain a near-constant speed.

Centrifugal pumps are used to transport fluids by the conversion of rotational kinetic energy to the hydrodynamic energy of the fluid flow.

A centrifuge is a device that uses centrifugal force to separate various components of a fluid.

European Organization for Nuclear Research

Held by the shipowner it indicates registration of the vessel and gives full details of the ship. It is not a document of title to the ship.

When a classed vessel suffers damage, the classification society carries out aseaworthiness survey after repairs have been completed.

Certificates issued by a National Authority following passed examination; a specified period of sea service and completion of other courses or requirements.

A Certified HSE Management System is an integrated approach where all the 3 HSE factors are effectively managed to reduce risks in the workplace.

A person who holds a certificate of proficiency in survival craft.

A figure used to indicate the ignition quality of a fuel. The higher the cetane number, the shorter the time between fuel injection and its ignition.

The CFR-600 is a sodium-cooled pool-type fast-neutron nuclear reactor under construction in Xiapu County, Fujian province, China, on Changbiao Island.

A chain at the end of a towing line or Single Point Mooring hawser, normally guided through a chock at the edge of the tanker deck.

The action of being fretted and worn by rubbing; applies to ropes, parts of the ship's structure, cargo and so on.

A piece of plating fitted on such parts of the hull that are subjected to rapid wear by chafing.

Connected metal rings or links used for holding anchor, fastening timber cargoes, etc.

The use of a chain to drive the camshaft. A sprocket wheel is fitted to the crankshaft and the camshaft and an adjustable spring loaded wheel is provided for chain tightening.

A compartment located under the windlass where the anchor chains are stowed. It is usually subdivided inside by a longitudinal bulkhead. Chain locker is to be made watertight to the weather deck.

A heavy pipe fitted directly under the windlass to lead the anchor chain to the chain locker.