Choyamba, makina onyamula vacuum apamwamba kwambiri amapangidwa ndi zitsulo zosapanga dzimbiri 304. Kuonjezera apo, Mzere wosindikizira wooneka ngati V umatsimikizira nthawi yosindikiza komanso kuchedwetsa moyo wautumiki wa kusindikiza mzere.Chofunika kwambiri, pulagi ndi zofunikira zamagetsi zamakina zimatha kusinthidwa malinga ndi kukula kwa kasitomala. Kuphatikiza apo, makinawa amakhala ndi magwiridwe antchito okhazikika, mawonekedwe osavuta. Mwa mawu amodzi, ndi makina abwino kwambiri.
