Specialty compressed air treatment meeting OSHA Grade D breathing air requirements.

The total pressure minus the static pressure in an air or gas stream.

Abbreviation for "Standard Transportation Commodity Code."

The operation of swinging round, by means of braces, the yards of a square rigged ship to set the sails more efficiently to the wind.

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

A standard numerical code used by the U.S. Government to classify products and services.

see Devil

A schematic flow sheet showing all controls involved with the system.

Persons and property carried by transport lines.

Two lines spliced together to form an eye.

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

A breakwater used as a landing pier.

The total pressure measured from absolute zero ( i.e., from an absolute vacuum).

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".

Is the saturation pressure at the critical temperature. It is the highest vapor pressure that the liquid can exert.

A ported enclosure which directs the flow of a gas through the filter element.

Lie at anchor

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

A time or a date draft that has been accepted by the buyer (the drawee) for payment at maturity.

Small, cake-shaped pieces of ice floating down rivers.