Foreign matter carried in the air, gas or fluid to be filtered out. Includes air borne dirt, metallic particles produced by wear of moving parts of the air compressor, rust from metal pipelines.

the weight of a specified artificial contaminant that must be added to the influent to produce a given differential pressure across a filter at specified conditions. Used as an indication of relative service life.

any loss of performance due to the presence of contamination. Two basic types of contamination failure are: Perceptible -- gradual loss of efficiency or performance, and Catastrophic -- dramatic, unexpected failure.

A region of relatively shallow water surrounding a land mass where the depth increases gradually before it plunges into the deeps of the ocean.

The spiral grooves between the strands of rope after it has been laid up.

Goods which have been prohibited from entering a belligerent state by the declaration of a blockade.

Cargo that is prohibited.

A legally binding agreement between two or more persons/organizations to carry out reciprocal obligations or value.

Any person not a common carrier who, under special and individual contracts or agreements, transports passengers or property for compensation.

A valve that controls the flow in air lines.

Sophisticated, computer controlled systems that manage the mixtures of gases within a container throughout an intermodal journey reducing decay.

Is a means of transferring heat through mass flow. Also the transfer of heat within a fluid by movements within the fluid.

On a bellow type air actuator, that part of the flexible member forming an annular protrusion larger than the O.D. of the end retainers or bead rings.

Group of ships escorted along a stretch of water.

Fluid cooling agent.

A cooling water supply system. There are two different types - Open and closed loop systems.

Thin sheets of copper applied to the hull of a wooden ship below the waterline to prevent the toredo worm eating the planks, and also to limit the growth of weed, barnacles or other marine life.

Any rope or line.

A 19th century term for a yachtsman who sails his own yacht without the help of a professional skipper.

A fender made of granulated cork and covered with woven tarred stuff.