[meaning]

Protection and indemnity insurance

Pleasure Yacht.

Protecting & Indemnity Club. Theoretically an organization settled by a group of Owners to insure, among other, liabilities not covered by the Hull and Machinery insurances. (Insiurance Clubs)

Pushing and Towing Purposes.

Abbreviation for precipitation effectiveness index.

Abbreviation for precipitation-evaporation quotient.

Abbreviation for precipitation-evaporation ratio.

A semiconductor (phtovoltaic) device structure that layers an intrinsic semiconductor between a p-type semiconductor and an n-type semiconductor; this structure is most often used with amorphous silicon PV devices.

A semiconductor in which holes carry the current; produced by doping an intrinsic semiconductor with an electron acceptor impurity (e.g., boron in silicon).

Agricultural Trade Development and Assistance Act of 1954.

Mandates that 50 percent of government impelled cargoes be carried under U.S. flag. Known as the 50/50 shipping law.

Abbreviation for the pressure, temperature, and humidity data obtained by a radiosonde observation.

A semiconductor (photovoltaic) device structure in which the junction is formed between a p-type layer and an n-type layer.

Pusher/Tag.

Passenger/Training ship.

Pressure Vacuum (Valve)

Passenger/Vehicles Ferry.

Measuring point for compressor acceptance test. Pressure at the compressor inlet flange.

Measuring point for compressor acceptance test. Pressure at the compressor outlet flange.