A sea which is traveling in the opposite direction to that of the boat

A type of anchor with a heavy inverted mushroom shaped head. Mushroom anchors are used to anchor in mud and other soft ground.

Is the pressure exerted by a vapor confined within a given space. The vapor may be the sole occupant of the space, or may be associated with other gases.

A pump which is used to deliver air to the aquarium. The pump pushes air through silicon tubing and to air stones or other aquatic decor. They are also an essential for UGF's (undergravel filters). An air stone is placed in each clear tube. When the air b ...

A mythical creature, half human and half fish.

A yard or pole extending the head or foot of the topsail beyond the topmast or gaff of a gaff-rigged boat

An opening in a ship's deck for the loading and discharging of any kind of cargo.

Slang name for the Q Flag. Also an old term for yellow fever.

Metal or wooden peg inserted in gunwale of a boat for an oar to heave against when rowing without crutch or rowlock.

Standing or running (adjustable) wire rigging that supports the mast from the stern; a wire mast support leading aft to the deck or another mast

A place suitable for anchoring in relation to the wind, seas and bottom.

An international goods classification system for describing cargo in international trade under a single commodity-coding scheme. Developed under the auspices of the Customs Cooperations Council (CCC), an international Customs organization in Brussels, thi ...

A thin, flexible wooden or plastic strip inserted into a pocket (batten pockets) on the back part (leech) of a sail to stiffen it and assist in keeping its form.

Reciprocating type compressor used mainly in oil and gas field applications. The compressor cylinders operate at low compression ratios and experience small temperature rise.

International data interchange standards sponsored by the United Nations. See UN/EDIFACT.

A unit of electrical current or rate of flow of electrons through a conductor. One volt across one ohm of resistance causes a current flow of one ampere. One ampere is equal to 6.25 x 1018 electrons per second passing a set point in a circuit.

A Short line used to attach one thing to another - a short rope or cord that secures or attaches an item onboard a boat, usually for keeping it attached to the boat

A rope used for towing or, mooring.

The motion of air relative to a body in it.

A movement of equipment from an origin rail ramp to a destination rail ramp only.