The cone-shaped shield at the top of the smokestack.

Heat stored above room temperature (in a solar heating system).

A buoy moored near a Lightship from which she can check her position to make sure that she has not moved by dragging.

American Stock Exchange Options Switching System

A machine with a common prime mover which will provide independently the functions of either a windlass or a mooring winch (automatic or non-automatic).

Supported or transported by air.

A system of physical units based on the use of the centimeter, gram. and the second as elementary quantities of length. mass. and time.

The direction from which the wind is blowing, measured in points of the compass or in azimuth degrees.

International Conference on technologies for Marine Environment preservation.

personal computer

The official examination of a company's accounts by a qualified accountant external to the.

A component of a hydropower plant; a pipe that delivers water to the turbine.

A written agreement (also called a deed of trust) between a bond issuer and a purchaser which.

A confirming document from a company that newly issued shares have been allotted to an.

An instrument for photographing the corona and prominences of the sun at times other than at solar eclipse.

A mooring winch with the additional ability to haul or render a mooring rope within selectable limits without direct human intervention.

Electronic Data Interchange.

A combustion heating appliance that vents the combustion by-products directly into the heated space. The latest models have oxygen-sensors that shut off the unit when the oxygen level in the room falls below a safe level.

Hopper Dredger

A valve with a faucet type handle used to restrict the flow of water in a line