One whose occupation is to rig or unrig vessels.

A facility or enclosure in which air content and other conditions (such as temperature, humidity, and pressure) are controlled and maintained at a specific level by special facilities and operating processes and by trained personnel.

Rate at which unsaturated air cools as it travels vertically, provided that all temperature change is adiabatic (without heat exchange), and no condensation occurs.

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

The great circle on the celestial sphere in the plane of the earth's equator; also called the celestial equator. The sun is on the equinoctial twice a year, on the equinoxes, March 21 and September 23. On these days the sun rises at 6 a.m. and sets at 6 p ...

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.

Various pieces of rigging which hold a bowsprit in position.

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

Is a process taking place under constant pressure. To change the volume from state 1 to state 2, heat must be removed. The temperature change is proportional to the change in specific volume.

An anchor carried at the stern.

A crossbeam at the upper part of an anchor.

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

Close alongside; very near; in close proximity to.

A basin for receiving a vessel for repairs, capable of being pumped dry (to repair vessel and scrape marine growth from bottom).

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.

Starting a compressor from a state of total shutdown. Usually done with "local" control at the compressor. May be done with "remote" control, but only advised with "heavy" instrumentation and monitoring accessories.

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

Removing waste from a holding tank.

The ratio of loaded miles to empty miles.

The ratio of the measured relieving capacity to the theoretical relieving capacity.