A raw material that can be converted to one or more products.

A type of heat pump that uses the ground, ground water, or ponds as a heat source and heat sink, rather than outside air. Ground or water temperatures are more constant and are warmer in winter and cooler in summer than air temperatures. Geothermal heat p ...

The distance the bow of a boat is forward of another's stern

A layer of semiconductor material, such as copper indium diselenide or gallium arsenide, a few microns or less in thickness, used to make solar photovoltaic cells.

A platform with or without sides, on which a number of packages or pieces may be loaded to facilitate handling by a lift truck.

A demand by a company to shareholders to pay a further instalment on partly paid.

Diesel Oil

A tube designed to measure the rate of flow of fluids. It consists of a tube having a constriction or throat at its midsection. The difference between the pressure measured at the inlet and at the throat is a function of the fluid velocity. Compare to Pit ...

A measure of the acidity or alkalinity of a solution; The negative logarithm of the hydrogen-ion activity; it denotes the degree of acidity or basicity of a solution. At 25

If Used

A tiller or a wheel generally installed on the bridge or wheelhouse of a ship to turn the rudder during manoeuvering and navigation. It is in fact the steering wheel of the ship.

The amount of BTU's/hour or kW's produced by a heating system from the burning of a fuel.

A turbine that is driven by high velocity jets of water or steam from a nozzle directed to vanes or buckets attached to a wheel. (A pelton wheel is an impulse hydroturbine).

The energy developed through the use of heat energy.

International Underwiting Association

Cylindrical Water-Tube Boiler Survey.

A document prepared by the captain of a vessel on arriving at port; shows conditions encountered during voyage, generally for the purpose of relieving ship owner of any loss to cargo and shifting responsibility for reimbursement to the insurance company.

A gigantic sea animal.

A seal used to prevent the leakage of fluids, and also maintain the pressure in an enclosure.

Energy supplied during periods of relatively high system demands as specified by the supplier.