Ubwa mbere, imashini yo gupakira vacuum kumeza ikozwe mubyuma 304 bidafite ingese. Byongeye kandi, impapuro zifunga V zifasha igihe cyo gufunga kandi bikanatinda igihe cyumurimo wa kashe yo gufunga. Icy'ingenzi, igipimo cy’amacomeka hamwe n’amashanyarazi akenerwa mu mashini birashobora gutegurwa ukurikije urugero rwabakiriya. By'umwihariko, uruganda rwacu rwashyizeho icyuho gikingira abakozi gishobora gukoreshwa mu kugabanya ubukana bw'umurimo. Ihinduka, imashini ifite imikorere ihamye, imiterere yoroshye.Mu ijambo, ni imashini nziza cyane.
