Makina owoneka bwino , aliyense ali ndi nkhawa zosiyanasiyana za izi, ndipo zomwe timachita ndikukulitsa zofunikira za kasitomala aliyense, motero mtundu wa makasitomala athu ambiri ndikukhala ndi mbiri yabwino m'maiko ambiri. Makina otsika mtengo ogulitsa - makina apamwamba kwambiri ndi apadziko lonse lapansi omwe ali ndi mapangidwe abwinobwino komanso njira zothandizira komanso kuchuluka kwa makina ojambula , chonde khalani omasuka kulumikizana nafe.