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

Persons and property carried by transport lines.

A sea running in a direction contrary to the wind, which can be confused and dangerous.

The pressure at which a pressure operated valve begins to pass a gas.

Seller is responsible for the cost of placing the goods at a named point of exportation. Some European buyers use this form when they actually mean FOB vessel.

A compartment on or near the bridge of a ship that contains the steering wheel and other controls, compass, charts, navigating equipment and means of communicating with the engine room and other parts of the ship. Also known as wheelhouse

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.

To bring a sailing vessel to a stop with her sails still set. This can be accomplished on a square rigged ship by bracing the yards aback on her foremast; on fore-and-aft rigged boats it is done by bringing her head into the wind so that the sails are no ...

The distance between frames.

Brass work, polished (also varnished wood work in yachts).

A ported enclosure which directs the flow of a gas through the filter element.

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

A schooner with a square rigged sail on the forward mast.

Is the saturation pressure at the critical temperature. It is the highest vapor pressure that the liquid can exert.

A term applied to the gas found on the high pressure side of the refrigeration system.

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.

Small horizontal spars extending athwartships from one or more places along the mast. The shrouds cross the end of these "spreaders", enabling the shrouds to better support the mast.

The compartment at the bow of the vessel

The headings of a sailboat in relation to the wind, i.e., upwind, close reach, reach, broad reach, downwind.

A tall buoy used as a navigational aid.