A building heating, ventilation, and/or air conditioning system that distributes conditioned air to individual zones or rooms.

Those levels at and above which persons exposed to them without protection are at risk of sustaining a noise induced hearing loss.

A paint applied to the boat's bottom below the waterline which contains "poisons", such as copper, to inhibit the growth of marine life such as weeds or barnacles.

Any liquid petroleum product burned for the generation of heat in a furnace or firebox, or for the generation of power in an engine. Domestic (residential) heating fuels are classed as Nos. 1, 2, 3; Industrial fuels as Nos. 4, 5, and 6.

Above the main deck.

A life policy in which there is a minimum sum payable on the death of the life.

A device for separating solids or suspended particles in the air before they enter the air intake of the compressor and reduce intake noise as on reciprocating compressors through a silencing chamber in the filter housing.

Analog

A cooling device that uses mechanical energy to produce chilled water.

The space between the two sides of the shell of a block in which the sheave is fitted.

A plastic payment card which allows the owner to obtain goods and services without the.

The process of modifying some characteristic of a wave (the carrier) so that it varies in step with the instantaneous value of another wave (the modulating wave) in order to transmit a message. The modified characteristic may be frequency, phase, and/or a ...

Cycles per minute - a unit of measure of the frequency of any vibration.

Electrical power converter; converts square-wave DC current to sine-wave AC current

In reference to solar photovoltaic devices, the growth of one crystal on the surface of another crystal. The growth of the deposited crystal is oriented by the lattice structure of the original crystal.

A frame that supports a boat when she's hauled out of the water onto shore.

The relative extent that energy is required for a process.

A mutual association formed by people with a common affiliation such as employees, a union or a.

In the US, a type of security, generally issued by a railroad, to pay for new equipment. Title to.

Is a pipe extending downward from the bottom of the airline to collect any condensation flow in the pipe.