The typical winds for a particular region and time of year.

Charge made for local hauling by dray or truck. Same as Cartage.

Of, relating to, or using air. Moved by air pressure. Filled with compressed air.

To sail too close to the wind so that the sails start to luff.

A port designated by the government of a country for duty-free entry of any non-prohibited goods. Merchandise may be stored, displayed, used for manufacturing, etc., within the zone and re-exported without duties.

The borrowing of money by the master using his ship as security.

On a square-rigged ship, the ropes which hang below a yard upon which the topmen stand while aloft furling or reefing a sail. They were supported by ropes from the yard known as "stirrups".

Fitted with drilling rig (oil derrick with rotary drill and a mud pumping system), drilling for petroleum.

Load/unload control system that tries to maximize compressor efficiency by matching air delivery and air demand. Compressor is operated at full load or idle.

Turbines or engines in which gas expands, does work, and undergoes a drop in temperature.

A law limiting the time in which claims or suits may be instituted.

The forwardmost or front part of the vessel. Opposite of Stern

A safety device used to prevent or stop unwanted flames.

A buoy secured to a permanent anchor sunk deeply into the bottom.

A group of whales.

In a square rigged ship, the act of hauling the head sheets to windward and laying the head-yards flat aback in order to bring the ships head out of the wind while tacking. This is done when helm action alone is insufficient.

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

Shell or body of a ship.

Long bars or bolts with a padlock on the end, on which iron shackles could slide, which were used on board ship to confine the legs of prisoners.

Carriers' practice of dividing revenue received from through rates where joint hauls are involved. This is usually according to agreed formulae.