The porous material contained inside the filter to (a) separate the contaminants from the incoming air, gas, or liquid. (b) separate the liquid from the gas. Filter medium is usually made of paper, wire mesh, special cellulose, or a combination.

Old three-masted trading vessel which was square-rigged on the fore and main masts, and lateen rigged on the mizzen mast. Similar to the Caravel, but larger and more robust.

Said of a vessel when unable to maneuver.

Same as "grab rope" (rope).

Strop inserted between two hawsers, and weaker than the hawsers, so that strop, and not hawsers, will part with any excessive strain.

The stationary seating surface, the inlet of a valve.

The air compressor continues to run, usually at full RPM, but no air is delivered because the inlet is either closed off or modified, not allowing inlet air to be trapped.

The maximum continuous operating pressure as designed by the manufacturer.

A railing around the deck of a boat to keep things from going overboard and the seas from coming aboard; the strake of shell plating above a weather or shelter deck; the part of a ship's side that extends above the main deck to protect it against heavy we ...

A sailboat is always on one tack or the other; that is the sail is always on one side or the other.

Indicates the jib or staysail being boomed out on the opposite side of the mainsail in a following wind, giving a large amount of sail area presented to the wind. see Wing and Wing

Short pieces of line fastened to the sail at reef points, used for tying a reef to reduce sail area. The reef line will pass through reef cringles, which will become the new tack and clew of the reefed sail.

An arrangement whereby a steamship company, under rules and regulations established in the freight tariff of a given trade, accepts small packages at rates below the minimum bill of lading, and issues a parcel receipt instead of a bill of lading.

A drum of a windlass for heaving in line.

A halyard used to raise the spinnaker.

Inlet and outlet connections are located at the same level on opposite sides of the filter or other device installed on the pipeline.

Components subordinate to the compressor.

An order given to take hold of a rope and pull.

Vessels operating on fixed itineraries or regular schedules and established rates available to all shippers. The freight rates which are charged are based on the shipping company's tariff or if the company is a member of a liner conference, the tariff of ...

Land