Ukwazisa i-KJ421 Hydraulic Tunnel Boring Rig - esona sisombululo kuzo zonke iimfuno zakho ezikruqulayo zetonela.Lo matshini omkhulu wokugaya ulungiselelwe ngokukodwa ukuhlangabezana neetoneli ezinobungakanani obuhlukeneyo, kunye namacandelo anqamlezayo ukusuka kwi-16-68 square metres.Isixhobo sokomba sinomthamo omkhulu wokwemba, singomba imingxunya kunye neebholiti kwindawo ezithe nkqo, ezithambekileyo nezithe tye, kwaye sisixhobo esiyimfuneko ekwakhiweni kwetonela.