Carefully (watch what you're doing).

Seaward, a safe distance from shore; To keep an offing is to keep a safe distance away from the coast because of navigational dangers, fog, or other hazards.

Barometer in which pressure is determined by balancing air pressure against the weight of a column of mercury in an evacuated glass tube.

A security such as a bond or note with specified interest, representing a loan which is repayable at.

International Support Vessel Owners Association

Letters, numbers, and other symbols placed on cargo packages to facilitate identification. Also known as marks.

Drag Suction Hopper Dredger.

A lamp where the light beam is focused 2 inches ahead of the lamp reducing the amount of light trapped in the fixture.

A solar energy concentrating technology that uses a linear receiver that tracks the focal area of a reflector or array of reflectors.

An instrument for measuring the extinction coefficient in water.

Is a positive displacement rotary compressor.

A term previously given to the shares of smaller companies traded far less frequently on the London.

Container

Delivered Ex Ship

The distance a boat can move around its anchor. Swinging room is important because if other boats or objects are within a boat's swinging circle they may collide.

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

Ropes used for hoisting gaffs and sails, and signal flags.

The process of using heat that is rejected in one part of a cycle for another function or in another part of the cycle.

An arbitrage transaction applied on a futures market where the cash or spot price of for example,.

A large sail that is a cross between a spinnaker and a genoa. Hoisted without a pole, the tack is attached at the bottom of the headstay.