An instrument designed to detect the ultrasonic emissions and convert them to audible signal.

A longitudinal stiffener for the side of a ship, made of angle bar, bulb angle channel or plates, etc. Depending upon their locations, stringers are known as bilge stringers, side stringers, hole stringers, etc.

The actual temperature of a moving gas stream. It is the temperature indicated by a thermometer moving in the stream with the same velocity as the stream.

Is the energy a substance possesses by virtue of its motion or velocity. Used primarily in calculations for dynamic and ejector type compressors

Unlit navigational aids for use during the day. They mark a bearing to a channel when they are lined up one above the other. Leading lights are lighted at night and serve the same purpose.

The height of the decks, below decks.

Is the temperature at the inlet flange of the compressor.

One who earns his living by service at sea.

On a square-rigged ship, a tackle used for hoisting casks and provisions.

The opening up the back (aft) edge of the mast in which the mainsail luff rope slides when it is hoisted. Some masts have an external sail track.

Canvas, wood or rope used over the side to protect a vessel from chafing when alongside another vessel or a dock.

Fog over land caused by condensation of vapor in the air above cooler ground.

Heatless reactivated dryer. By means of expanding cold dry air to near atmospheric pressure inside the regeneration tower, the dryer air picks up moisture from the saturated desiccant bed and is then purged to atmosphere.

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.

(1) To bind a line with marline, cord, twine, wire, or other "small stuff" to prevent accidental opening or unraveling (2) To freeze up, as a valve.

An embargo imposed by a Government against another country.

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 low headroom space below decks used for provisions or spare parts, or miscellaneous storage.

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

A safe anchorage, protected from most storms; may be natural or man-made, with breakwaters and jetties; a place for docking and loading.