Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

A method used to fabricate modules in a facility prior to being transported to the construction site.

Predictive maintenance techniques are designed to help determine the condition of in-service equipment in order to estimate when maintenance should be performed.

Scaling or precipitation fouling involves crystallization of solid salts, oxides, and hydroxides from solutions. Precipitation fouling is a very common problem in boilers and heat exchangers operating with hard water and often results in limescale.

In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds.

Pre-preg is a composite material made from "pre-impregnated" fibers and a partially cured polymer matrix, such as epoxy or phenolic resin, or even thermoplastic mixed with liquid rubbers or resins.

Pre-ignition (or preignition) in a spark-ignition engine is a technically different phenomenon from engine knocking, and describes the event wherein the air/fuel mixture in the cylinder ignites before the spark plug fires.

The purpose of personal protective equipment is to reduce employee exposure to hazards when engineering controls and administrative controls are not feasible or effective to reduce these risks to acceptable levels.

A powerline worker is a tradesman who constructs and maintains electric power transmission and distribution lines.

A powerline technician (PLT) is a tradesman who constructs and maintains electric power transmission and distribution lines.

PowerBuoys are used to provide power to offshore payloads generated through ecofriendly means.

Power-to-weight ratio is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. Power-to-weight ratio is a measurement of actual performance of any engine or power source.

Power-system automation is the act of automatically controlling the power system via instrumentation and control devices.

The power-flow study, or load-flow study, is a numerical analysis of the flow of electric power in an interconnected system.

A process which allows the creation of carbon neutral and renewable synthetic fuels by capturing CO2 from the air.

Electric power transmission system that carries high voltage direct current (HVDC). Commonly between 100kV and 800kV.

A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power.

A power purchase agreement (PPA), or electricity power agreement, is a contract between two parties, one which generates electricity (the seller) and one which is looking to purchase electricity (the buyer)

A Wartsila design tool to assist clients in identifying their needs for a power plant.

Power plant engineering or power station engineering is a division of power engineering, and is defined as "the engineering and technology required for the production of central station electric power."