yanayin da za a yi amfani da su:
1. Abincin kaji: kaza, agwagwa, alade (alade, alade mai shayarwa), goose, ƙwayoyin abinci;
2. Abincin dabbobi da kaji: ƙwai na shanu da tumaki;
3. Kayan ruwa: kifi, jatan lande, kaguwa;
4. Ƙwayoyin ƙura na kyanwa: ƙurar kyanwa ta tofu;
5. Ƙwayoyin man fetur na Biomass: guntun itace, aski, alfalfa, hops, pine, itace iri-iri, rassan zaitun, itacen da aka yanka, bambaro, dabino, ɓawon shinkafa, bagasse;
6. Takin gargajiya: ƙera takin kaji da sauran takin dabbobi;
7. Ƙwayoyin carbon masu aiki:
8. Wasu: Kayan zomo/ katantanwa/ ɗan tsuntsu;