Ibhodi engenamanzi / i-trolley yomsebenzi we-Rebar yinkqubo ebalulekileyo kwimisebenzi ye-tunnel. Okwangoku, umsebenzi wezandla kunye neebhentshi ezilula zisetyenziswa ngokuqhelekileyo, kunye nomatshini ophantsi kunye neengxaki ezininzi.