A tax allowance which takes account of depreciation of certain types of business assets such as.

Conditions to which a device is subjected, not including the variable measured by the device. See normal operating conditions, reference operating conditions.

The decomposition of organic material to alcohol, methane, etc., by organisms, such as yeast or bacteria, usually in the absence of oxygen.

A pipe lead-in for anchor chain through ship's bow.

Features and vegetation on the outside of or surrounding a building for aesthetics and energy conservation.

An aneroid barometer arranged so that the deflection of the aneroid capsule actuates a pen which graphs a record on a rotating drum. Sometimes called aneroidograph.

Working Party on Fire Protection and Safety (IACS)

Plating wherein fine metal powders are peened onto the work by tumbling or other means.

Rules for letters of credit drawn up by the Commission on Banking Technique and Practices of the International Chamber of Commerce in consultation with the banking associations of many countries. See Terms of Payment.

Also saloon; the main social cabin of a boat

An instrument which measures the effective terrestrial radiation. See Angstrom pyrgeometer.

A chemical process involving formation of a heterocyclic ring compound that contains at least one metal cation or hydrogen ion in the ring.

Electrochemical system consisting of an anode and a cathode immersed in an electrolyte. The anode and cathode may be separate metals or dissimilar areas on the same metal. The cell includes the external circuit, which permits the flow of electrons from th ...

An air flow caused by a fan that draws air through the heat exchanger core in a uniform pattern to dissipate the sensible heat.

To prevent contact with an object while bringing the ship alongside.2. To push off when making a landing.

The trapping of light inside a semiconductor material by refracting and reflecting the light at critical angles; trapped light will travel further in the material, greatly increasing the probability of absorption and hence of producing charge carriers.

Generally, an instrument designed to measure or estimate the blueness of the sky. See Linke-scale.

A solar thermal collector that has an absorber that does not have a glazed covering. Solar swimming pool heater systems usually use unglazed collectors because they circulate relatively large volumes of water through the collector and capture nearly 80 pe ...

Survey

A support fixed on the front part of a chassis (which is retractable); used to support the front end of a chassis when the tractor has been removed.