Kwa gawo limodzi mwa mankhwala opaleshoni , aliyense ali ndi nkhawa zosiyana za izi, ndipo zomwe timachita ndikukulitsa zofunikira za kasitomala aliyense, motero mtundu wa makasitomala athu ambiri ndipo adalandira mbiri yabwino m'maiko ambiri. ali Makina ophatikizika a mankhwala opaleshoni ndi magwiridwe antchito & njira zothandizira & mtengo wampikisano, kuti mumve zambiri pa mankhwala opaleshoni , chonde khalani omasuka kulumikizana nafe.