The maximum cylinder volume on a working side of the piston, minus the piston displacement volume per stroke. It is usually expressed as a percentage of the displace volume.

Slacking a rope smartly, carefully and in small amounts.

Small hole bored in cask or barrel to allow air to enter when emptying.

Type of bulk carrier built for the carriage of coal.

A hand held pneumatic tool. Designed to chip masonry, plaster, concrete etc.

Convention on International Regulations for Preventing Collisions at Sea.

A stay from the stem of a boat to the end of the bowsprit used to counteract the upward pull of the forestay.

Watertight housing for the centerboard.

Cargo that will fit into a container and result in an economical shipment.

Shapes such as angle bars or stringers welded to a surface such as a plated bulkhead to increase rigidity.

This term is used for turbo compressors and represents the maximum flow condition. It is sometimes also referred to as stonewalling.

As close to the wind as possible, with all sails full, and no wrinkles in them.

Any paint gun which uses air flowing over an opening to create a vacuum to draw paint up a tube to be atomized.

A vessel of amy rig, mounting between 18 and 32 guns.

A short length of small rope "ratline stuff" running horizontally across shrouds, for a ladder step.

The shaft input per unit of compressor capacity.

(1) A point of sail between close-hauled and a run, with the wind coming from abeam. (2) A distance, or fetch. (3) Straight stretch of water between two bends in a river or channel.

A four-sided fore-and-aft sail set on a sprit.

An agreement between parties that allows the efficient use and supply of containers. A common supply of containers available to the shipper as required.

One of the 4 cardinal compass points. South is the direction toward the South Pole and is at 180