Ndi gawo liti la ntchito lomwe lingayeretse ndi zinthu zathu?

2022-07-22

castings, forging zida ndi zida zomangira zitsulo zochotsa mchenga wowoneka bwino, pachimake mchenga ndi khungu la oxide. Ndiwoyeneranso kuyeretsa pamwamba ndi kulimbikitsa pazigawo zochizira kutentha, makamaka poyeretsa pang'ono, makoma opyapyala omwe sali oyenera kukhudza.
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