A guide for a mooring line, or steel towing wire which enables the line to pass through a ship bulwark or other barrier.

One of several pieces of metal precisely fitted between machinery units and their foundations to ensure alignment, also made by pouring plastic material in place (cast resin chocks).

The width of a wind turbine blade at a given location along the length.

Combine heat and power plant. In CHP plants the excess heat from engine cooling and exhaust gases are harnessed for district heating needs.

1. A set of Suez Canal lights on the rear mast. They look as lights on the Christmas tree.

Chrome plating is a technique of electroplating a thin layer of chromium onto a metal object.

Cost, Insurance, Freight. CIF designates the cargo is to be carried free of charge for the buyer; the seller pays all transportation costs.

A combination of electrical devices and conductors which, when connected together in a closed path, perform a particular function.

Used to automatically protecting a circuit from a surge or overcurrent condition, if activated it can be reset once the fault has been rectified.

Devices that interrupt high currents to protect electrical equipment from damage caused by current surges, e.g., from a short circuit or a lightning strike.

A drawing which details the functioning of a circuit. All the essential parts and their connections are shown by special symbols.

A centrifugal or axial-flow type pump which supplies large volumes of water to a system, usually for cooling purposes, e.g. jacket water circulating pump, seawater circulating pump.

Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewerage systems, pipelines, structural components of buildings, and railways.

Cladding is the outer layer of the fuel rods, standing between the coolant and the nuclear fuel.

A small electric track used onboard to handle paper reels and powered by electric cable from the ship supply.

Liquid/solids separation with the intention of separating solid particles from a liquid having a lower density than the particles.

A separator that cleans the oil from solid particles and traces of water.

A disc which replaces the gravity disc in the separator bowl in the case of clarifier operation. The disc seals the water outlet in the bowl, thus no liquid seal exists.

A class is a collection whose members either fall under a predicate or are classified by a rule.

The classification details of a ship hull or machinery using particular terms or abbreviations, e.g. oil tanker, UMS (unattended machinery space).