A navigable route on a waterway, usually marked by buoys. Channels are deep enough for ships or boats to navigate without running aground.

Old sailor's term for a flat calm with no wind.

Wing-like retractable devices extending from the sides of the vessel to dampen down rolling in seas and produce a steadier, smoother, and more comfortable motion.

Rotative speeds at which rotating machinery-axial or screw lobe-pass through unbalanced operation.

An unhandy seaman.

See Solar Module.

Solar energy conversion technologies that convert solar energy to electricity, by heating a working fluid to power a turbine that drives a generator. Examples of these systems include central receiver systems, parabolic dish, and solar trough.

Moving belt which brings a continuous supply of buckets loaded with bulk commodities.

Goods which have been prohibited from entering a belligerent state by the declaration of a blockade.

Path through open water used for commercial vessel passage and so noted on chart

The construction system employed in container vessels; permits ship containers to be stowed in a vertical line with each container supporting the one above it.

Electrical measurement. The output of one or several electric machines. Load also denotes the power carried by a particular circuit.

(1) A spar. Such as a pole used to position a sail (e.g., spinnaker pole or whisker pole, which serves the same purpose for a jib). (2) One of the two points around which the earth spins, known as the north and south poles.

Polyethylene or similar substance heat-treated and shrunk into an envelope around several units, thereby securing them as a single pack for presentation or to secure units on a pallet.

Type of shackle designed to take several eyes connected to several lengths of chain.

A bolt fitted with a ring through its eye, used for securing, running, rigging, etc.

A legal paper or license of a boat or its captain.

Abrasion, wear or damage to a line caused by rubbing against another object

A structure erected to display a characteristic light as a warning of danger at sea and as an aid to navigation.

A consolidation service, putting small shipments into containers for shipment.