A material used to seal gaps around windows and exterior doors.

A propeller that can have the pitch of its blade changed to reduce drag when not in use.

A gigantic sea animal.

See cathodic protection.

A cup anemometer with its shaft mechanically coupled to a magneto.

A navigational aid with a light that flashes about once per second.

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 last buoy as a boat heads to sea.

To reeve and secure a stopper (hold a strain on a line while transferring it).

Regional Citizens Advisory Council

Said of anchor when it is under ship's forefoot, and cable is nearly up and down.

The maximum load that a device is capable of carrying.

Any twelve-month period, usually selected to begin and end during a relative dry season. Used a basis for processing streamflow and other hydrologic data. The period from October 1 to September 30 is widely used in the U.S.

The regular periodic arrangement of atoms or molecules in a crystal of semiconductor material.

The process of cooling by which a heat absorbing media absorbs heat from one source and radiates the heat away.

A device used to control temperatures; used to control the operation of heating and cooling devices by turning the device on or off when a specified temperature is reached.

A vector term which includes both wind speed and wind direction.

(FNMA)In the US, a government-backed corporation which purchases mortgages from lenders and resells them.

Tan work shoes issued to U.S. Maritime Service trainees