The lines that lead from the clew of the jib to the cockpit and are used to control the jib.

Man employed in unloading ships in harbour, or in taking a ship from one port to another. Paid "lump" sum for services.

Filter rating indicating the approximate particle size for which the majority will not pass through a given filter. It is generally interpreted as meaning that 85% of the particles of size equal to the nominal filter rating will be retained by the filter.

At right angles to the centerline of the boat; rowboat seats are generally athwart ships.

An angle piece fitted over the edge of boxes, crates, bundles and other packages to prevent the pressure from metal bands or other types from cutting into the package.

A notification by carrier of ship's arrival to the consignee, the "Notify Party," and - when applicable - the "Also Notify Party." These parties in interest are listed in blocks 3, 4 and 10, respectively, of the Bill of Lading.

The area (in sq inches) of the filter element that is exposed to the flow of air or fluid for effective filtering.

A rail surrounding the poop deck.

Method of producing a chart in which the parallels of latitude and the meridians of longitude intersect each other at right angles.

A pressure-volume diagram for a compressor or engine cylinder produced by direct measurement made by the use of a device called an indicator.

Man or boy employed in sailing deep-water craft. Word is sometimes loosely used to include men who go to sea. Used officially to denote a seaman serving on deck.

A device consisting of a heat transfer system, a moisture elimination system and a refrigeration system designed to improve the quality of the air and reduce the temperature of the air.

The art and science of designing vessels.

U.S. Commerce Department document, "Shipper's Export Declaration."

A frame used to support the boom when the sail is down.

To make life onboard for the crew as uncomfortable as possible, by keeping them at work at all hours, often unnecessarily.

Heat cannot, of itself, pass from a colder to a hotter body.

Method of settling disputes which is usually binding on parties. A clause usually in a charter party.

Relay to all others in order (a signal repeated from one ship to the next astern in column).

A fluid (as hydrogen or air) that tends to expand indefinitely. Is one of three basic phases of matter.