Rotocel extractor ndi chotsitsa chokhala ndi chipolopolo cha cylindrical, rotor ndi chipangizo choyendetsa mkati, chokhala ndi mawonekedwe osavuta, teknoloji yapamwamba, chitetezo chapamwamba, kulamulira kwadzidzidzi, kugwira ntchito bwino, kulephera pang'ono, kugwiritsa ntchito mphamvu zochepa.Zimaphatikiza kupopera ndi kuthira ndi zotsatira zabwino za leaching, mafuta otsalira ochepa, mafuta osakanikirana omwe amapangidwa kudzera mu fyuluta yamkati amakhala ndi ufa wochepa komanso wokhazikika.