A sail set forward of the foremast on the headstay; a foresail

A registered trademark of an agency of the state of Nebraska, for an automotive fuel containing a blend of 10 percent ethanol and 90 percent gasoline.

The purchase of a put with a high strike price against the sale of a put with a lower strike price.

An instrument which measures the scattering function of particles suspended in a medium in order to determine the visual range through the medium. See visibility meter.

Fisheries Research Ship.

Water that contains certain salts, such as those of calcium or magnesium, which form insoluble deposits in boilers and form precipitates with soap.

A unit of pressure for a fluid, commonly used in water pumping and hydropower to express height a pump must lift water, or the distance water falls. Total head accounts for friction head losses, etc.

An electrochemical battery that uses lead and lead oxide for electrodes and sulfuric acid for the electrolyte.

At a considerable distance.

A signboard attached to a daybeacon to convey navigational information presenting one of several standard shapes (square, triangle, rectangle) and colors (red, green, orange, yellow, or black). Daymarks usually have reflective material indicating the sha ...

Used for sending messages to outside companies. Messages are transmitted via Western Union, ITT and RCA. Being replaced by fax and internet.

A device used to switch electrical current at a selectable setpoint temperature.

A hydropower plant that is operated at maximum allowable capacity for part of the day and is either shut down for the remainder of the time or operated at minimal capacity level.

See 'ATM.

1.Formal Safety AssessmentStudy of risks which should improve the design of ships, and also their actual maintenance.2.Fixed Securing Arrangements

Weight of the goods alone without any immediate wrappings, e.g., the weight of the contents of a tin can without the weight of the can.

A floating island of ice. Only one-ninth of the total mass of an iceberg is visible above water level.

The attenuation of light.

The transmission of electricity through power lines.

The most common type of sail used today, a triangle-shaped mainsail defined by the mast and one horizontal boom perpendicular to the mast.