Combustibles 2 Combustibles fs̤iles 2 Fossil fuels 2 Fuels 2 Industria del petrl̤eo 2 Industrial processes Oil refinery 2 περισσότερα ... Petroleum industry 2 Procesos industriales 2 Refinera̕ de petrl̤eo 2 destilacin̤ distillation 2 energa̕ 2 energy 2 energy sources 2 fuentes de energa̕ 2 gas natural 2 natural gas 2 oil 2 oil refining 2 petrl̤eo 2 petroleum 2 refinacin̤ de petrl̤eo 2 λιγότερα ...