Umbhobho wentsimbi opholileyo uveliswa ngenkqubo eqengqelekayo ebandayo. I-cold-rolling ikwiqondo lobushushu begumbi ukwenzela ukuqengqeleka ngakumbi kubunzima obujoliswe kuko kwipleyiti encinci. Kwaye ukuthelekisa intsimbi eshushu eqengqelekayo, ubungqingqwa beplate yentsimbi ebandayo ichanekile ngakumbi, kwaye umphezulu ugudile, umhle, kodwa kwakhona ...
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