PVK mndandanda
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Makina ampulogalamu ozizira okhala ndi tank
Madzi oyeretsa moto amapereka dongosolo pvk amaphatikiza kuphweka, kutanthauzira, ndi mphamvu yotsika mtengo yokhala ndi maulendo apamwamba monga magetsi oyenda bwino. Njira zake zosinthana ndi mpweya wosiyanasiyana ndi tanks yosatha zimapangitsa kuti ikhale ndi chisankho chabwino pokwaniritsa madzi odalirika komanso othandiza pamakina osiyanasiyana.