The part of the rotating element of a dynamic compressor that imparts energy to the flowing medium by means of centrifugal force. It consists of a number of blades mounted so as to rotate with the shaft.

Recapitulation of the terms and conditions agreed

To break loose from a mooring, anchor or docking.

To haul in or bind something together in order to create more space.

Direct current. A continuous, one directional flow of electricity

A gauge that measures air flow as a percentage of capacity, used in rotary screw compressors as an estimator during modulation controls.

The toal temperature at the intake flange of the compressor.

Goods floating on surface of sea after a wreck.

Is the ratio of the computed isentropic temperature rise to the measured total temperature rise during compression.

Board, bearing instructions, that comes to a wrecked ship with a life-saving rocket line.

a circular donut-shaped buoy designed to support a person in the water. It is attached to the vessel with a (floating) line so that the person can be hauled back to the boat.

A barge equipped with tracks on which up to about 12 railroad cars are moved in harbors or inland waterways.

A lighted or unlighted fixed (non-floating) aid to navigation that serves as a signal or indication for guidance or warning. (Lights and daybeacons both constitute "beacons.")

Abbreviation for "With Particular Average."

A depth measuring device.

Official terminology for life jacket. When properly used a PFD will support a person in the water. Also called a life jacket, life preserver or life vest.

An inspection cover or port in an air receiver tank.

Measurement ton 40 cubic ft or one cubic meter.Net ton, or short ton 2,000 lbs.Gross ton/long ton 2,240 lbs.Metric ton/kilo ton 2,204.6 lbs.Cubic meter 35.314 cubic ft.

Combination minimum pressure valve and check valve.

Time and date for payment of a draft.