Devices that may be used to position the impeller or to protect the shaft.

Is a process taking place without any heat exchange with the surroundings.

A storage tank where sewage is stored until it can be removed to a treatment facility.

Is the reversal of flow within a dynamic compressor that takes place when the capacity being handled is reduced to a point where insufficient pressure is being generated to maintain flow. Also known as surge.

When flogging a seaman, to run the fingers through the Cat-O'-Nine-Tails after each stroke to separate the strands in preparation for the next stroke.

The headings of a sailboat in relation to the wind, i.e., upwind, close reach, reach, broad reach, downwind.

A small boat designed to be rowed by use of its oars. Some dinghies are rowboats.

In spray painting applications, spray equipment which delivers material at a low pressure of no more than 10 PSI (at the air cap), however, with greater volume of air.

A pillar or handhold on a boat - Hand-hold fittings mounted on cabin tops and sides for personal safety when moving around the boat.

Sufficient movement through the water to allow the boat to be controlled and steered by the rudder.

Areas of corrosion.

An all around white light displayed at night by a ship when she is anchored.

The most important commercial measurement when the intrinsic weight of the cargo is so low that the ship becomes full without being loaded to the cargo line. Is expressed in cubic metres or cubic feet.

An announced warning of an approach of a storm.

Fresh water mixed with sea water, having a density between 1,000 and 1,026 kg/cm3

To know and to be able to recite the points of a compass from north to south to north again, both clockwise and counter-clockwise.

The upper deck rail along both sides of a vessel to prevent anyone on board from falling overboard.

Abbreviation for "Standard Transportation Commodity Code."

Joining the ends of two lines without increasing the thickness over the length of the splice, so that the splice will pass freely through a block.

The difference between the diameter of a shaft rod, etc., and that of the hole in which it works.