A board that can be raised and lowered by pivoting in a watertight box called the trunk or well to increase the draft and lateral area of the hull, preventing the boat from sliding sideways. Unlike a daggerboard, which lifts vertically, a centerboard pivo ...
The pressure unit of the meter-ton-second system of physical units. equal to 10 millibars or 101 dynes per cm2.
The older name for the Celsius temperature scale. Officially abandoned by international agreement in 1948, but still in common use.
A system of physical units based on the use of the centimeter, gram. and the second as elementary quantities of length. mass. and time.
A system where heat is supplied to areas of a building from a single appliance through a network of ducts or pipes.
A large power plant that generates power for distribution to multiple customers.
Also known as "power towers," these use fields of two-axis tracking mirrors known as heliostats. Each heliostat is individually positioned by a computer control system to reflect the sun's rays to a tower-mounted thermal receiver. The effect of many helio ...
A computerised database of some 50,000 investment firms which have been authorised to conduct.
A dynamic compressor. A machine in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the air or gas. In a centrifugal compressor, flow is in a radial direction. Air enters the compres ...
Machine which receives dry bulk cargo. It is used for stowing sugar,ores and minerals in the holds.
Comprehensive Environmental Response Compensation and Liability Act "Superfund"
A document certifying that merchandise (such as of Inspection perishable goods) was in good condition immediately prior to its shipment.- The document issued by the U.S. Coast Guard certifying an American flag vessel's compliance with applicable laws and ...
A certificate, issued by a building society or bank (in accordance with Section 352 of the Income.
A certificate, issued by a bank to a depositor, indicating a sum of money has been deposited for a.