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HP small section tunnel heavy supporting with steel arc, wired mesh, shotcrete
Shotcrete worsk for slope protection with wired mesh and shotcrete
TWOBE CONSTRUCTION Video 4
ALIVA 540 MACHINE SPRAYING FIRST LAYER CONCRETE SHOTCRETE #NATM #RAILWAY #TUNNEL
Tunnel support with shotcrete- spraying with putzmaister SPM4210
'TUNNELING IN HIMALAYAS'
