bn:00620034n
Noun Concept
Categories: Thermodynamics, Energetics, Energy
EN
primary energy  primary energy resource  primary energy source  primary energy supply  secondary energy
EN
Primary energy is the energy found in nature that has not been subjected to any human engineered conversion process. Wikipedia
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EN
Primary energy is the energy found in nature that has not been subjected to any human engineered conversion process. Wikipedia
An energy form found in nature that has not been subjected to any human engineered conversion process Wikipedia Disambiguation
Energy form not subjected to any human conversion process Wikidata
Energy in a form that has not been processed or is not processed before utilization. Wiktionary