Floor of the cockpit.

Lifting device attached to a crane.

Correct alignment of the optical parts of an instrument.

Clean galley and mess halls, set tables, prepare salads, clean living quarters.

Used in meteorology to describe a mass of cold air moving toward a mass of warm air. Strong winds and rain typically accompany a cold front.

on square-rigged ships, a platform at the masthead resting on the trestletrees and crosstrees. In addition to being a work platform, it extended the topmast shrouds to give additional support to the topmast.

A navigational light with a steady beam of light, having no intervals of darkness.

Registry of the vessel is foreign to that of the country in which the company that owns the ship is located.

Is the ambient gas temperature as indicated by a standard thermometer.

Beat to windward to avoid being driven onto a lee shore.

Free from living organisms and especially micro-organisms. Usually used in food and dairy applications.

A device for mounting cylinders.

Close alongside; very near; in close proximity to.

The ratio of loaded miles to empty miles.

Removing waste from a holding tank.

Right Ascension of a celestial body is the arc of the equinoctial between Aries and the meridian of the object, always reckoning eastward from Aries.

Not in packages or containers; shipped loose in the hold of a ship without mark and count." Grain, coal and sulfur are usually bulk freight.

A railroad yard with many tracks used for assembling freight trains.

a measure of relative freedom from contaminants.

Broken in.