Imveliso yale ntengiselwano yityhubhu yesikwere, ityhubhu ye-square ye-Q235B isetyenziswa ngokubanzi njengesixhobo senkxaso yesakhiwo ngenxa yamandla ayo agqwesileyo kunye nokuqina. Kwizakhiwo ezinkulu ezifana nezakhiwo, iibhuloho, iinqaba, njl., lo mbhobho wensimbi unokubonelela ngenkxaso eqinile kwaye uqinisekise ukuzinza kwe ...
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