The horsepower calculated from compressor-indicator diagrams. Applied only to displacement type compressors.

The gauge pressure at which a safety valve visibly and audibly opens or at setting which a relief valve discharges an unbroken stream of liquid.

Shipper's communication(s) to its agent and/or directly to the international water-carrier. Instructions may be varied, e.g., specific details/clauses to be printed on the B/L, directions for cargo pickup and delivery.

A piece of wood fitted in various places to act as a preventative to chafe.

A compartment on or near the bridge of a ship that contains the steering wheel and other controls, compass, charts, navigating equipment and means of communicating with the engine room and other parts of the ship. Also known as wheelhouse

To cause a break in the hull which may sink the vessel; the vessel is then called stove.

A sea running in a direction contrary to the wind, which can be confused and dangerous.

Is any gas or gas mixture that contains no water vapor and/or in which all of the constituents are substantially above their respective saturated vapor pressures at the existing temperature.

National Electrical Manufacturers Association.

Stationed near an offshore in-stallation, responsible for evacuating its crew in emergencies. Also performs continuous guard function, warning other vessels to keep their distance from installations, etc.

Joining the ends of two lines without increasing the thickness over the length of the splice, so that the splice will pass freely through a block.

The meridian from which longitude is measured eastwards or westwards. The longitude of the prime meridian, passing through Greenwich, England, is 0

Sufficient movement through the water to allow the boat to be controlled and steered by the rudder.

Part of the standing rigging that helps to support the mast laterally by running from the top of the mast to the side of the boat. Sailboats usually have one or more shrouds on each side of the mast. Some people call them side stays

Seller is responsible for the cost of placing the goods at a named point of exportation. Some European buyers use this form when they actually mean FOB vessel.

Is a process taking place without any heat exchange with the surroundings.

Shippers load and count. All three clauses are used as needed on the bill of lading to exclude the carrier from liability when the cargo is loaded by the shipper.

Fresh water mixed with sea water, having a density between 1,000 and 1,026 kg/cm3

The headings of a sailboat in relation to the wind, i.e., upwind, close reach, reach, broad reach, downwind.

A ship builder, or one who works about a ship. Does wood carpentry on the ship and keeps ships faired. Builds launching ways and launches ship.