A cruise of a new ship for the purpose of testing out all machinery, etc. Shank

Instructions given by a shipper to a bank indicating that documents transferring title to goods should be delivered to the buyer only upon the buyer's acceptance of the attached draft.

Chemical species slated to replace CFCs in the near future.

Equipped to extract petroleum, e.g. oil production ship.

Pieces of timber bolted to the hounds of a mast, to support the trestle-trees.

A seaman's personal "painter" is his lifeline, and if it is severed, he dies.

Torsional moment or couple. It usually refers to the driving couple of a machine or motor.

To fill in the seams with cotton or oakum.

A form used to acknowledge receipt of cargo and often serves as basis for preparation of the ocean bill of lading.

A pallet designed so that the forks of a fork lift truck can be inserted from all four sides. See Fork lift.

A valve designed to prevent air volume and pressure from escaping the compressor tank back into compressor heads while compressor is not operating.

The stationary seating surface, the inlet of a valve.

Tanks carried in various parts of a ship for water ballast, for stability and to make the ship seaworthy.

Lines drawn on a weather map indicating regions of equal pressure. When the lines are close together, this indicates a rapid change in air pressure, accompanied by strong winds.

Abbreviation for "Trailer Load."

Similar to a whip, an instrument of punishment where seamen were flogged on their bare backs.

Stowing cargo destined for a specific location close together to avoid unnecessary cargo movement.

A small receiver fitted on the inlet or discharge of a reciprocating compressor. The device is designed to remove the resonance from the compressor thereby reducing noise.

The alternate rise and fall of the bow of a vessel proceeding through waves.

An inland location where cargo is received by the ocean carrier and then moved to a coastal port for loading.