1. Mfundo zazikuluzikulu za kusankha zida zodziwikiratu Mfundo zazikuluzikulu za kusankha zida zoyesera (zigawo) ndi ma valve olamulira ndi awa: 1. Mikhalidwe ya ndondomeko Kutentha, kuthamanga, kuthamanga, kuthamanga, kukhuthala, corrosiveness, toxicity, pulsation ndi zinthu zina za th...
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