A device used to keep a person afloat. Also called a life preserver, life vest, PFD or personal floatation device.

A single block such as a snatch block used as a fairlead to bring a line in a more favorable direction.

A fluid (as hydrogen or air) that tends to expand indefinitely. Is one of three basic phases of matter.

The gauge pressure at which a pressure vessel is maintained in normal operation.

A charge made for a service performed in a carrier's terminal area.

The complete cycle of stages (evaporation and condensation) of refrigeration or of the refrigerant.

Ralph Elliott was an accountant who lived from 1871 to 1948 and who is remembered by technical.

A tube with a narrow throat (a constriction) that increases the velocity and lowers the pressure of the liquid passing through it, creating a partial vacuum immediately after the constriction in the tube. The vacuum created has a sucking effect, and a ven ...

A stationary, spirally shaped passage that converts velocity head to pressure.

Marine Accident Investigation Branch

A local variation of the wind vector or any of its components in a given direction.

Value of soil moisture, expressed as a percentage of the mass of dry soil, below which a plant living in the soil dies by wilting.

A term used in permanent health insurance which refers to a period, prior to payment by the.

1.Local Lighthouse Authority2.Long Length Additional

Caught in the ice.

Full Operational Status

First Open Water

The pressure equivalent of the velocity of a fluid.

Also known as LTL or LCL.

Thermosyphon systems use a separate storage tank located above the collector. Liquid warmed in the collector rises naturally above the collector, where it is kept until it is needed. The liquid can be either water or a glycol solution. If the fluid is wat ...