Makina onyamula ndi kutsitsa okha khola / dengu amatha kuzindikira ntchito yosalekeza komanso yothandiza ya dongosolo lonse loletsa kulera, lomwe makamaka limaphatikizapo magawo atatu: makina odzaza khola/dengu, makina osinthira dengu, kukweza kwa hydraulic, komwe kumafunika kugwiritsidwa ntchito poletsa kutseketsa. retorts / autoclaves, chipangizo chotumizira mu thanki ndi chipangizo chotsegulira chitseko chokha.