Inqubo yokukhiqiza eyinhloko yepayipi yensimbi ephezulu yokucindezela: ukushisa kwe-billet, i-perforated tube, isandiso sepayipi. Ukugingqika kwepayipi lensimbi elinomfutho ophezulu, usayizi wamapayipi, ipayipi lokunciphisa, insimbi yokupholisa kanye nensimbi yokuqedela noma kungathiwa insimbi enezimbobo ezinezimbobo ezishisayo, i-embryo eshisayo egoqiwe yokufaka isifutho sekhanda esike imoto edonswayo...
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