Alternating current is a form of electricity in which the current alternates in direction (and the voltage alternates in polarity) at a frequency defined by the generator (usually between 50 and 60 times per second, i.e., 50 – 60 hertz)

A flux which the alloy content of the weld metal is largely dependent on.

The ore carrier PEENE ORE can transport 322,000 tonnes of ore with stowage factor of 19.7 ft3 /long ton.

Vessels equipped with a side-loading system are normally purposebuilt for specific trade or cargo.

Cargo handling systems used for pallets and paper rolls. Usually a side-loading system consists of elevators and a side door.

The act of striking or collision of a moving vessel against a stationary object.

The 11,550dwt reefer vessel CALA PIANO is equipped with the twin side loading system to handle underdeck palletised cargo.

Any corridor aboard vessel connecting one part of the accommodation to another part.

A test specimen with the reduced section composed entirely of weld metal.

A system to stow 20 feet containers into 40 feet cell guides. The containers are connected in the 20 feet gap with double stacking cones in a transverse direction.

A part of a hatch cover; the vertical plate forming the outer edge of each panel.

A synthetic resin made by a reaction of two chemicals in the presence of natural or processed oil.

An arrangement of different structural members in one straight line: alignment of butt welds, alignment of stiffeners, etc. Many ships have suffered when other design requirements have been assigned undue priority over structural alignment.

A hand-held electrically operated signal lamp.

Delivered in 1998 by Astilleros Espanoles, the 126,650dwt vessel is a twin-skeg, twin screw shuttle tanker.

A visual and/or audible signal indicating an abnormal situation.

A method of paint spraying which does not use compressed air to atomise the paint.

Air-fuel ratio is the mass ratio of air to fuel present during combustion.

Paints which dry and form a film while exposed to air. Oil and alkyd paints are usually air-drying.

Parts of the hull that may either itself be used to conduct air or which contain air ducts as well as other lines (pipes, cables).