A HL / HR / HM / HM / HM / HM / HM / HR, 180, HR - 180, HM - 180) amapangidwira kuti azigwiritsa ntchito bwino m'malo abwino. Chingwecho chikakutidwa ndi dzanja, pisitoni limayenda m'mwamba, ndikupanga vacuum mkati mwa silinda kuti mujambule mu mafuta; Chingwecho chikamasulidwa, piston imatsika pansi pa kasupe mphamvu kuti itulutse mafuta. Ndi mphamvu ya 180ml komanso mapangidwe apadera (otsika - chozungulira - Thupi, ndi kukula kwawo), kufika madera osakhala ndi magwiridwe antchito.

● Lamu