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.

The amount the compass is deflected from the true direction by variation (magnetic) and deviation (metallic influences) together

Blue working overalls.

Floor of the cockpit.

Ships which can carry both liquid and dry bulk cargoes.

A method of bending a material into an appropriate shape without heating or steaming the material first to soften it.

Lifting device attached to a crane.

Refrigeration equipment attachable to an insulated container that does not have its own refrigeration unit.

A number of yarns, twisted together and which in turn may be twisted into rope; a rope is stranded when a strain is broken; rope may be designated by the number of strands composing. Rope is commonly three-stranded. A vessel run ashore is said to be stran ...

A ring of rope made by splicing the ends, and used for slinging weights, holding the parts of a block together, etc. A rope, wire or iron binding, encircling a block and with a thimble seized into it for taking a hook.

A system in which air supply is matched to demand by the starting and stopping of the unit.

A device for mounting cylinders.

Abbreviation for:- Collect (cash) on Delivery.- Carried on Docket (pricing).

Correct alignment of the optical parts of an instrument.

Is a pipe coming from the top of the airline to feed air to an outlet for tools or air operated devices, so that condensation does not easily flow into the dropleg.

Hypocritical smile, or sneer.

The captain or master of a ship.

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

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.

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