A round wood plug inserted in a hole to cover a nail, screw, or bolt.

The frames or timbers of a ship as they rise from the keel to form the shape of the hull.

The pressure which overcomes the total resistances in a system. It includes all losses as well as useful work.

Closing small leaks in a vessel's underwater body by drawing a sail, filled with oakum, underneath her.

On square-rigged ships, a small light square sail set above the skysail in fair weather. If the sail were triangular, it would be called a Skyscraper.

Insoluble material suspended in the lubricating oil. This material may come from contamination or oil degradation.

(1) The points of the jaws of a boom or gaff where they embrace the mast. (2) The outer ends of the crosstrees.

Words incorporated when signing under duress and not concurring entirely with import of document signed, and after stating grounds of non-concurrence.

A rest for a cargo-boom when lowered for securing for sea.

An ocean carrier company operating vessels not on regular runs or schedules. They call at any port where cargo may be available.

The moisture content of air.

Heat exchangers for removing the heat of compression between stages of a compressor.

When used in pricing terms such as "Ex Factory" or "Ex Dock," it signifies that the price quoted applies only at the point of origin indicated.

Articles which are taken apart to reduce the cubic footage displaced or to make a better shipping unit and are to be re-assembled.

Abbreviation for "Trailer Load."

Wind-bound. When a vessel is kept in port by a head wind.

A bridge that can be raised vertically to allow boats to pass underneath.

This type of clause covers merchandise if the damage amounts to three percent or more of the insured value of the package or cargo. If the vessel burns, sinks, collides, or sinks, all losses are fully covered. In marine insurance, the word average describ ...

A dimensionless flow parameter, ( Jnr/m), in which J is a significant dimension, often a diameter, n is the fluid velocity, r is mass density, and m is dynamic viscosity, all in consistent units.

Material passed into the effluent stream composed of foreign materials incorporated into the filter medium.