Iindaba zeMveliso
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Isixhobo esiphezulu sokuqhuba ngaphakathi kwe-IBOP
I-IBOP, i-internal blowout preventer ye-top drive, ikwabizwa ngokuba yi-top drive cock.Kumsebenzi wokugrumba ioyile nerhasi, ukuvuthuza yingozi abantu abangafuniyo ukuyibona kuyo nayiphi na into yokomba.Kuba ibeka emngciphekweni ukhuseleko lomntu kunye nepropathi yabasebenzi bokomba kwaye izisa ...Funda ngokugqithisileyo
