A hand held rock drill worked by compressed air.

UK Hydrographic Office abbreviations kgkg

The extremities of a yard.

A deck with legs that can be jacked up or down. During operations, the legs rest on the sea-bed. When the rig is moved, the legs are retracted, leaving the rig floating. A jackup has normally no propulsion machinery of its own.

Agricultural Trade Development and Assistance Act of 1954.

Abbreviation for "Transportation and Exportation." Customs form used to control cargo movement from port of entry to port of exit, meaning that the cargo is moving from one country, through the United States, to another country.

Western Truck Lines.

Code of minimum conditions for the carriage of cargo under a bill of lading.

North Pacific Coast Freight Bureau.

Department of Transportation.

[meaning]

A block of wood or a bracket attached to a spar to support another spar attached to it.

[meaning]

Jettisoned goods that cast overboard and are buoyed for subsequent recovery.

[meaning]

Measuring point for compressor acceptance test. Temperature before an orifice or nozzle, downstream of compressor discharge.

[meaning]

An old term to describe an untrained or incompetent seaman, or one who was worn out after many years of work.

Description of a vessel when she rolls or pitches excessively while underway in heavy seas.

(See ROPE-YARN.)