Sequence of letters and numbers, unique to each ship by which ships can be identified.

Is a measure of the rate of change of viscosity with temperature. Oils with high VI have low viscosity changes.

See 'Government National Mortgage.

A measure of proportion by weight, equivalent to one unit weight of a material per billion (109) unit weights of compound. One part per billion is equivalent to 1 mg/kg.

Refrigeration

To repair, clean or paint the hull.

Namely. Used in tariffs to specify commodities.

The falling tide when the water recedes out to the sea and the water level lowers; a period or state of decline.

Automated Surface Observing System. A network of instrumented weather stations deployed primarily by the National Weather Service to make weather observations without operator involvement.

A popular term for "non-conventional" transportation fuels derived from natural gas (propane, compressed natural gas, methanol, etc.) or biomass materials (ethanol, methanol).

New York Mercantile Exchange

An anode that is insoluble in the electrolyte under the conditions prevailing in the electrolysis.

The relationship of a building to true south, as specified by the direction of its longest axis.

A person authorized to transact business for and in the name of another person or company. Types of agent are:(1) brokers,(2) commission merchants,(3) resident buyers,(4) sales agents,5) manufacturer's representatives.

Name sometimes given to a transmissometer.

A pension plan in which employer and employee pay full rate National Insurance contributions.

Current efficiency at the cathode.

National Vocational Qualification.

A large number of thermocouples connected in series.

The total annual return on an investment which includes dividend payments and capital.