The ability of a material to withstand tensile stress, i.e. a force attempting to lengthen the material, divided by the material area.

A full-size pattern from which an item can be made, e.g. a pipe or steel plate.

A type of steel heat treatment. The process follows the quenching of steel and involves reheating up to temperature of 680°C.

It comes in a variety of sizes ranging from 10mm to 80mm in diameter. Due to its inherent nature, the cable, especially in smaller diameters, is easily damaged. The radius that the cable can be bent to is usually restricted to a minimum of 1.5m.

A record containing all detailed parameters, including components and settings of an engine, which may influence the NOx emission, in accordance with the NOx Technical Code.

Paint manufactures’ Product Data Sheet which contains detailed technical instruction and information relevant to the coating and its application.

The method of position finding which gives the position from the angle of a taut wire towards the davit.

A waterproof canvas covering for a hatch or other purpose.

The target value, in years, of the durability for which the coating system is designed.

Tankers are ships carrying liquid cargoes in bulk; crude oil, oil products, chemicals, liquefied gases, molten sulphur, even orange juice.

A special tank support arrangement for use on board product tankers used for carrying asphalt, coal tar and molten sulphur at high temperature.

As built documentation of tanks.

The upward extension of a portion of a cargo tank. In case of below-deck cargo containment system, the tank dome protrudes through the weather deck or through a tank cover, (IGC Code).

The protective structure intended to protect the cargo containment system against damage where it protrudes through the weather deck or to ensure the continuity and integrity of the deck structure, (IGC Code).

The software package for the monitoring of tank cleaning, developed by Toftejorg A/S. The system provides data reports for port authorities and statistics that help to optimise the cleaning technique.

see Washing machines.

The process of removing hydrocarbon vapours, liquids or residues.

A very important drawing that shows the position and the data of all ship tanks. To avoid misunderstandings, the TAP must contain a sufficient number of views and cross sections.

An enclosed space formed by the permanent structure of a ship and which is designed for the carriage of liquid in bulk.

Emergency drive systems typically installed in ships with geared medium-speed engines by means of an electric motor connected via a clutch to a pinion shaft in the gearbox (PTI).