The height of the decks, below decks.

A rate applicable from a point on one transportation line to a point on another line, made by agreement and published in a single tariff by all transportation lines over which the rate applies.

A compressor designed to compress air or gas without contaminating the flow with lubricating oil. Piston rings and packing are usually made of TFE-based materials or carbon or other synthetic material that operate without lubrication.

Covers for closing up hatchways.

An analytical method of assessing machine health by quantifying and examining ferrous wear particles suspended in the lubricant or hydraulic fluid.

The after section of the propeller shaft.

Hard surfaced area of the quay on which shipping containers are assembled before loading.

Caulker's name for the seam in the upper deck planking next to a ship's waterways. There was very little space to get at this seam, making it a difficult and awkward job. This is the origin of the expression "Between the devil and the deep blue sea, since ...

A very experienced and/or old sailor

A boat which uses the wind as its primary means of propulsion.

The difference between magnetic north and true north, measured as an angle. Magnetic variation is different in different geographic locations, so the nearest compass rose to each location on a chart must be used.

Towards the center line of a ship (towards the center).

40 cubic feet.

Unlit navigational aids for use during the day. They mark a bearing to a channel when they are lined up one above the other. Leading lights are lighted at night and serve the same purpose.

A slot into which the bolt rope or lugs in the luff of the sail are inserted to attach the sail.

A small vessel fitted for towing.

Breaking away of a mass of ice from a glacier or iceberg.

A portable generator which can be attached to a refrigerated container to power the refrigeration unit during transit.

The consolidation of a quantity of individual items into one large shipping unit for easier handling.- Loading one or more large items of cargo onto a single piece of equipment, such as a pallet.

A ceremony performed on board ships when passengers or crew are crossing the equator for the first time during a voyage.