Izici Nezinzuzo:
1. Ngokwezinto ezihlukene okufanele zomiswe, isakhiwo se-cylinder esijikelezayo singakhethwa.
2. Ukusebenza okushelelayo nokuthembekile.
3. Imithombo yokushisa ehlukene iyatholakala: igesi yemvelo, idizili, amalahle, izinhlayiya ze-biomass, njll.
4. Ukulawula izinga lokushisa okuhlakaniphile.