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Ntchito yopangira zitsulo-zigawo zamakina olondola mwaukadaulo
Chitsulo ndi chimodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri popanga zida zamakina.Lili ndi zinthu zosiyanasiyana, ndipo zigawo zake zazikulu ndi chitsulo ndi carbon.Chitsulo ndi chitsulo choyengedwa bwino.Nthawi zambiri timachitcha chitsulo chachitsulo.Pofuna kuwonetsetsa kuti mphamvu zake ndi pulasitiki, zomwe zili mu kaboni nthawi zambiri sizidutsa 1.7%.Kuwonjezera chitsulo ndi zitsulo, zinthu zazikulu za zitsulo - pakachitsulo, carbon manganese, sulfure, phosphorous ndi zina zotero.
