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.

The ship's water closet (toilet or wash-room). The upper edge of a quadrilateral sail.

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

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.

International Convention on Oil Pollution Preparedness,Response and Co-operation, IMO

A strong tropical counterclockwise revolving storm the southern hemisphere. In the northern hemisphere these storms revolve clockwise and are known as hurricanes.

Shifting the moving block of a tackle from one place of attachment to another place farther along to give more advantage.

Space between the floor of holds and the bottom of the ship.

A thermal expansion valve.

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

Away from land, toward the water.

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

The motion of air relative to a body in it.

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 ...

When compressed air is forced through a submerged perforated hose or pipe. Some applications include; ice prevention, reduction of salt intrusion, underwater basting, pneumatic breakwaters and general mixing and agitation

Is a measure of resistance to deformation, or reluctance to be squeezed out a bearing. Indicates the internal friction of a fluid. Viscosity in normal lubricants is reduced as temperature increases

Holes cut in a plate to make it lighter and yet not reduce its strength.

To come alongside.

To bring a sailing vessel head to the wind or as close to it as possible in high seas, maintaining a slight forward motion.