Kwa silini wamankhwala azachipatala , aliyense ali ndi nkhawa zosiyanasiyana za izi, ndipo zomwe timachita ndikukulitsa zofunikira za kasitomala aliyense, motero mtundu wa makasitomala athu ambiri ndipo amakhala ndi mbiri yabwino m'maiko ambiri. a Meccamer Makina osokoneza bongo ali ndi mapangidwe abwino & magwiridwe antchito & mtengo wampikisano, kuti mumve zambiri pa silinder yamankhwala , chonde khalani omasuka kulumikizana nafe.