A topsail on the main mast.

In reference to a wind energy conversion system, the area of a turbine blade surface that first comes into contact with the wind.

A configuration of an electrical circuit in which the voltage is the same across the terminals. The positive reference direction for each resistor current is down through the resistor with the same voltage across each resistor.

A vessel used commercially for catching fish, whales, seals, walrus or other living resources of the sea.

The amount chargeable to capital gains tax (CGT) from gains made on the disposal of an asset. In.

The fitting which connects the boom to the mast.

A charted feature or chosen position on a chart

Said of wind when exactly ahead; and of another vessel when her fore and aft line coincides with observer's line of sight.

1.Local Lighthouse Authority2.Long Length Additional

An empty wine bottle after its contents have been drunk.

The process of producing electricity by transforming other forms or sources of energy into electrical energy; measured in kilowatt-hours.

The command given to inform the crew that the helm is being turned quickly to leeward, turning the boat windward

Lift On/Lift Off

An instrument which measures combined direct solar radiation and diffuse sky radiation. See pyrheliometer, Robitzsch actinograph. solarimeter. See also albedometer.

The change in a performance characteristic caused by a change in a specified operating condition from reference operating condition, all other conditions being held within the limits of reference operating conditions.

A hydrocarbon gas obtained from underground sources, often in association with petroleum and coal deposits. It generally contains a high percentage of methane, varying amounts of ethane, and inert gases; used as a heating fuel.

Localized corrosion frequently observed in oilwell tubing in which a circumfrential attack is observed near a region of metal "upset".

To attach a line to something so that it will not move.

Life Saving Index (Coast Guard).

An electrolytic cell, the electromotive force of which is caused by a difference in concentration of some component in the electrolyte. This difference leads to the formation of discrete cathode and anode regions.