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Energy
Anything related to the production or supply of energy in any form.
23Categories 123009Terms
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Energy > Natural gas 
overpressure
Energy; Natural gas
A pressure increase over the set pressure of a pressure relief valve; it is usually expressed as a percentage of set pressure.
packing
Energy; Natural gas
Deformable non-metallic material formed into rings used for sealing around the stems and shafts of valves.
pattern
Energy; Natural gas
A duplicate made of wood or metal of a part to be cast. Used to form the mold into which the molten metal is poured.
pinhole
Energy; Natural gas
Numerous small gas holes at the surface or just below the surface of castings, generally occurring in the thicker parts of the casting as a reduction in the solubility of gases in ...
pinion shaft
Energy; Natural gas
The external input shaft of certain gear operators which drive the internal reduction gearing.
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