A marine insurance policy that applies to all shipments made by an exporter over a period of time rather than to one shipment only.

Something that covers or protects the filter assembly.

A unit of work, being the work done in one hour at the rate of 1,000 watts.

Limber hole of a ship.

A measurement of vacuum or pressure that is used to measure the airflow restriction.

(1) The alternate rise and fall of the bow of a vessel proceeding through waves; also called hobby horsing (2) The theoretical distance advanced by a propeller in one revolution. (3) Tar and resin used for caulking between the planks of a wooden vessel.

A railing around the deck of a boat to keep things from going overboard and the seas from coming aboard; the strake of shell plating above a weather or shelter deck; the part of a ship's side that extends above the main deck to protect it against heavy we ...

Devices used between rotating and stationary parts to separate, and minimized leakage between, areas of unequal pressures.

The semi-circular steel coupling device mounted on a tractor which engages and locks with a chassis semi-trailer.

A fixed navigation aid structure, visible during the day, used in shallow waters upon which is placed one or more daymarks.

To leak; take in water.

Error that can be introduced when not reading an instrument, such as a compass, directly from its front, due to the separation of the indicator and the scale being read.

The point at which the Sun , traveling in the Ecliptic , crosses the Equinoctial when going from South to North declination.

Same as 0.4535924277 kilograms.

Surface on which the bearing seal rides in an oil lubricated tailshaft bearing.

A sailboat with its bow pointed directly into the wind, preventing the sails from filling properly and stopping the boat. It can be very difficult to get a boat that is in irons back under sail. also known as "In Stays".

Compass error. The difference between the reading of a compass and the actual magnetic course or bearing due to errors in the compass reading. These errors can be caused by metals, magnetic fields and electrical fields near the compass. The act of checkin ...

To stop, especially to stop work.

An order given to take hold of a rope and pull.

Said of a vessel when unable to maneuver.