A single masted cutter built expressly for the prevention of smuggling and the enforcement of customs regulations.

Is a process taking place without any heat exchange with the surroundings.

Resistance to flow. Defined as the difference in pressure upstream and downstream.

To know and to be able to recite the points of a compass from north to south to north again, both clockwise and counter-clockwise.

Sideward force created by a spinning propeller.

On a square-rigged ship, a light weather sail set next above the topgallant-sail in fair weather.

An arc of a circle in which certain types of navigational lights known as sector lights are visible.

A white navigation light carried by vessels under way at night to indicate their presence and give an indication of their course.

Are lines that supply equipment from sub headers.

The pressure containing stationary element that encloses the rotor and associated internal components of a compressor, including integral inlet and discharge connections.

A small channel or opening in a filter medium which allows passage of gas.

In spray painting applications, a sealed paint cup with a paint gun which puts a measured amount of air pressure into it. This then forces the paint to the gun for atomization.

In a square rigged ship, the act of hauling the head sheets to windward and laying the head-yards flat aback in order to bring the ships head out of the wind while tacking. This is done when helm action alone is insufficient.

To cause a break in the hull which may sink the vessel; the vessel is then called stove.

A device actuated by inlet static pressure and designed to open during an emergency or abnormal condition to prevent a rise of internal pressure in excess of a specified value.

Persons and property carried by transport lines.

A piece of wood fitted in various places to act as a preventative to chafe.

A line used to control the tension along a sail's luff in order to maintain proper sail shape.

The forward mast of a boat with more that one mast

A thick serge jacket worn by seamen while keeping watch at night or in stormy weather.