1. Kugwiritsa ntchito mwamphamvu.Mafuta a granular amatha kugwiritsidwa ntchito kwambiri m'mafakitale ndi ulimi, monga kupanga magetsi, kutentha, kuyatsa moto, aluminiyamu, kuyanika, kutulutsa mpweya ndi kuyaka, makampani opanga mankhwala, nsalu, etc.
2. Mtengo wotsika komanso mtengo wapamwamba.Ndi mtengo wa calorific wokwera komanso mtengo wotsika kwambiri wogwiritsa ntchito kuposa gasi, dizilo ndi mafuta amafuta, ndiwolowa m'malo mwamafuta oyeretsedwa ndi boma ndipo ali ndi msika waukulu.
3. Ukhondo ndi kuteteza chilengedwe.Kuyakako kumakhala kopanda utsi, kopanda kukoma, koyera komanso kokonda chilengedwe.Zomwe zili ndi sulfure, phulusa ndi nayitrogeni ndizotsika kwambiri kuposa malasha, mafuta, ndi zina zambiri.