Yenziwe ngetywina lobuchwepheshe be-BT kwaye inokufakwa kwintsimi ngokusika umbhobho wecasing ukulungiselela ukuphakama kwetywina.
I-tubing hanger kunye neflange ephezulu yenzelwe ukuqhuba intambo.
Amazibuko olawulo amaninzi akhoyo ukuze adibanise umbhobho.
Yenziwe ngentsimbi ekhandiweyo okanye ekhethekileyo ye-smelt, inika amandla aphezulu okuthwala, ukhuseleko kunye nokuthembeka.