I-Crawler full hydraulic tunnel drilling rig yomgodi wamalahle sisizukulwana esitsha sokuhamba kwamanzi okukhangela amanzi, ukuhlola igesi, ukufumanisa impazamo, ukuphahla, izixhobo zokugaya ezifana nenaliti yamanzi isetyenziselwa ikakhulu ukuphumeza ukugrumba okunzulu kwilitye elithambileyo okanye umthungo wamalahle apho amanyathelo okulwa nokugqabhuka afunekayo ebusweni bokomba. Ikwafanelekile nakwezinye izihlandlo.
Isixhobo sinesakhiwo esincinci, ukusebenza okuguquguqukayo, ukuhamba kakuhle, ukusebenza kwecandelo elipheleleyo, ukusebenza kakuhle kokhuseleko, umatshini omnye ngeenjongo ezininzi kunye nezinye iimpawu. Ukongeza ekugqibezeleni ukuhlola kwamanzi kunye nokuhlola igesi, inokuphinda iqhube kwiindlela eziyinkimbinkimbi. Ixhotyiswe ngamasuntswana e-reaming drill aqhelekileyo njalo njalo. Isixhobo se-drill singasetyenziselwa ukugaya okujikelezayo.