1 resultados para 'fuels'
Fuels (en)
Combustible (es), Combustible (fr), Топливо (ru), وقود (ar)

Coal, Gas fuels, Nuclear fuels, Peat, Petroleum

Energy resources, Fuel resources, Fuel technology, Hydrocarbons

Politics, law and economics
> Materials and products


http://vocabularies.unesco.org/thesaurus/concept638