Heat exchangers for raising the temperature of compressed air to increase its volume.

Is pressure as determined by most instruments and gauges.

The area between opposing shipping lanes, restricted to most navigation except for crossing with caution

Get gear in condition for use; to separate the blocks of a tackle to lengthen the fall (ready for use again).

Sink by filling with water.

Error that can be introduced when not reading an instrument, such as a compass, directly from its front, due to the separation of the indicator and the scale being read.

Publications that describe features of particular sailing areas, such as hazards, anchorages, etc.

Above this pressure, the system may rupture or burst.

A mooring buoy or spar. A group of piles driven close together and bound with wire cables into a single structure.

Movement of cargo by water from one country through the port of another country, thence, using rail or truck, to an inland point in that country or to a third country. As example, a through movement of Asian cargo to Europe across North America.

Sailing downwind with the wind blowing over the leeward side of the boat, increasing the possibility of an unexpected jibe.

A measurement of vacuum or pressure that is used to measure the airflow restriction.

A positive displacement air compressor which has no oil injected into the compression chamber for lubrication, cooling or sealing

Slang for the leg irons which were used to secure men under punishment.

A ship designed to carry either ore or oil in bulk.

A term that means that 98% of all particles larger than a stated micron size have been removed from the product being filtered through the filter element.

A container fitted with a solid removable roof, or with a tarpaulin roof so the container can be loaded or unloaded from the top.

A unit used when measuring atmospheric pressure. 33.86 millibars.

An officer taking his turn as officer of the watch.

A seat or brace running laterally across the width of a rowing boat.