ANSI specification for a Compressed air supply source that meets OSHA specification # 1910.134(i)(1)(ii)requirements for breathing air.

A type of journal bearing in centrifugal air compressors.

A navigational aid used in the United States and Canada to mark a channel. Green triangular daymarks should be kept on the left when returning from a larger to smaller body of water.

A dust-collection chamber containing numerous permeable fabric filters through which the exhaust gases pass. Finer particulates entrained in the exhaust gas stream are collected in the filters for subsequent treatment/disposal.

Abbreviation for "Inland Point Intermodal." Refers to inland points (non-ports) that can be served by carriers on a through bill of lading.

Shallow keels, usually placed in conjunction with or in place of a center keel. Attached to each side of a vessel, they provide lateral resistance and stability, as well as support the weight of the hull of the ship on the ways when launching, or when in ...

Water which runs down and collects in the bilges of a ship and usually becomes foul and noxious.

When reciprocating compressors run, the moving parts such as pistons, rods, crossheads, connecting rods are repeatedly accelerated and retarded. These velocity changes set up pulsating inertia forces. The forces are of the first and second order. The firs ...

To calculate your position using time, the position of celestial bodies, and mathematical tables. Position is determined by measuring the apparent altitude of one of these objects above the horizon using a sextant and recording the times of these sighting ...

A draft that matures either a certain number of days after acceptance or a certain number of days after the date of the draft.

Voyage made in varying directions. To sail in various directions for pleasure, in search, or for exercise.

A design in which the forestay runs to the top of the mast.

A metal pin by which the plating and other parts of iron and steel vessels are joined. Rivets are known by their heads, such as: Flush, pan, snap, plug, tap, countersunk, mushroom, and swollen neck.

On wooden boats, a line of planking running from the bow to the stern along the hull.

A buoy on the race course around which boats must turn.

Hit by a wave over the stern; having a wave wash over the stern of the boat. This can be a very dangerous situation.

A flat bottomed, blunt nosed dinghy (or small boat).

A general term for provisions, materials and supplies used aboard ship for the maintenance of the crew, and for the navigation, propulsion and upkeep of the vessel and its equipment.

A unit of pressure used with vacuum pumps, equal to 1mm of mercury and 133.32 Pascal's.