An arbitrary filter efficiency rating.

The American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., (ASHRAE) is an international membership organization operated for the exclusive purpose of advancing the arts and sciences of heating, refrigeration, air conditioning and ...

1,000 grams or 2.2046 pounds.

Distance at sea is measured in nautical miles, which are about 6067.12 feet, 1.15 statute miles or exactly 1852 meters. Nautical miles have the unique property that a minute of latitude is equal to one nautical mile - Measurement of speed is done in knots ...

For ships, a cargo handling area parallel to the shoreline where a vessel normally ties up.- For land transportation, a loading or unloading platform at an industrial location or carrier terminal.

The position of anchor as it is raised clear of the bottom.

Said of a vessel when caught between ice on both sides.

A device designed to remove solids, such as dirt, scale, rust and other contaminants from the air system.

A schedule of all ports to be visited on a ship's cruise, with dates of arrival and departure and the local agents' names and addresses

Is used to cool compressed air or gas. Designed to reduce the temperature and liquefy condensate vapors.

To let go altogether.

The maximum continuous operating pressure as designed by the manufacturer.

A large, swelling wave. To surge a rope or cable, is to slack it up suddenly where it renders round a pin, or round the windlass or capstan.urge ho! The notice given when a cable is to be surged.

A large square of heavy canvas fitted with lines to allow it to be drawn under the hull of a ship where it is damaged. The pressure of the seawater holds it tight against the ship and greatly reduces the inflow of water.

An object that might not allow safe operation. A group of rocks just under the water or a submerged wreck could be a navigational hazard.

(Free On Board) (...Named Port of Shipment):An International Term of Sale that means the seller fulfills his or her obligation to deliver when the goods have passed over the ship's rail at the named port of shipment. This means that the buyer has to bear ...

To make a rope fast by turns round a pin or coil, without hitching or seizing it.

A receptacle, open to atmosphere, that is used to used to collect condensate. For example, two or three drain pipes from various filters may be discharging into a funnel. In this case the funnel is a tundish.

Light lines from the topping lift to the boom, forming a cradle into which the mainsail may be lowered.