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Glossary of Terms - P
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Pentane: A hydrocarbon gas that is an ingredient of natural gas. Pentane molecules each contain five carbon atoms and twelve hydrogen atoms.
Photovoltaic cell: A device that changes sunlight directly into electricity.
Pilot light: A small flame or spark used to ignite gas at a burner. Most newer appliances have electric pilots; older appliances have a small permanent flame.
Power Line: A wire used to carry electricity. Power lines are located high overhead or buried underground.
Power plant: A place where electricity is generated.
Processing plant: A place where natural gas is treated to remove impurities.
Propane: A hydrocarbon gas that is one of the ingredients in natural gas. Propane molecules each contain three carbon atoms and eight hydrogen atoms.
Proton: A basic particle in an atom’s nucleus that has a positive electrical charge.
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