Stormy conditions, including rough, high seas and strong winds.

A term indicating a temperature relationship between two temperatures or temperature variation between two points.

Artificial objects to supplement natural landmarks indicating safe and unsafe waters.

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

Kilo or metric ton. 1,000 Kilos or 2,204.6 pounds.

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

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.

A method of preventing the ends of a line from unlaying or fraying by turns of small stuff, stout twine or seizing wire with the ends tucked.

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

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

Maximum allowable working pressure. This data is found on the pressure vessel nameplate and is the maximum pressure at which the lowest set safety valve must be set (stamped).

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

A platform with or without sides, on which a number of packages or pieces may be loaded to facilitate handling by a lift truck.

Guarantee issued by a bank to a carrier to be used in lieu of lost or misplaced original negotiable bill of lading.

Having a shape that that is not adversely affected by wind flowing past it.

A rope used for towing or, mooring.

A small rail on tables and counters used to keep objects from sliding off when the vessel rolls and pitches.

An indentation of the coastline between two headlands.

Is a measure of the rate of change of viscosity with temperature. Oils with high VI have low viscosity changes.

Away from land, toward the water.