A tank used in a closed-loop solar heating system that provides space for the expansion of the heat transfer fluid in the pressurized collector loop.

Screen of cloth or other material to give the crew protection against the weather, wind and water spray.

A vessel is in soundings when she is in sufficiently shallow water for soundings to be made and used as an aid in the vessel's navigation.

An expression used to describe the market in the underlying instrument (for example, shares,.

Old name for bunting from which signal and other flags were made.

Possible New Construction.

The direction and speed of the wind as it appears to those on board, relative to the speed and direction of the boat; combination of the true wind and the wind caused by the boat's movement through the water.

A type of insulation made from virgin basalt, an igneous rock, and spun into loose fill or a batt. It is fire resistant and helps with soundproofing.

States that equal volumes of all gases under the same conditions of pressure and temperature contain the same number of molecules.

The straight or curved line of the deck line; curvature of the lines of a vessel toward the bow and stern.

(1) When two or more boats tie up alongside each other. (2) Overlapping of edges of two ice-floes, so that one floe is partly supported by the other.

A contract for leasing between the ship owners and the lessee. It would state, e.g., the duration of the lease in years or voyages.

The use of a sound barrier separating the sound from the receiver.

National Preparedness for Response Exercise Program.

A loss ofstrength and ductility of .steel by high-temperature reaction of absorhcd hydrogen with carbides in the steel resulting in dec arbwri:.alien and internal fissuring.

Corrosion resulting from direct current flow through paths other than the intended circuit. For example, by an extraneous current in the earth.

Liquid water at temperatures colder than freezing.

A mop, formed of old rope, used for cleaning and drying decks.

A loan made by an employer to an employee on which interest is either not charged or is less than.

A ceremony performed on board ships when passengers or crew are crossing the equator for the first time during a voyage.