Nekuenderera mberi kwekuenderera mberi kwesainzi uye tekinoroji uye kuwedzera kukwenenzverwa kwekugadzirwa kwemaindasitiri, tekinoroji yekudzivirira welding, senzira yakakosha yewelding, yakashandiswa zvakanyanya munzvimbo dzakasiyana siyana. Nekudaro, iyo yechinyakare kuramba welding tekinoroji ine mamwe matambudziko, akadai se ...
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