→ skos:prefLabel → "1.2.1 Recovery of energy"
→ skos:example → "Incinerator: it converts feedstock energy contained in wastes into electrical or heat energy", "Gasify, pyrolisis: It obtains gaseous fuel that can be used for the production of energy"
→ od:Suggestion → "Anaerobic digestion: degradation of organic substance through microorganisms. The biogas obtained in the process can be used to produce heat energy."
→ od:hasLevel → "Level_3"