Quest Bot Automatic Questions Staff member Civil4M Feb 27, 2022 #1 A Shaft is A Underground horizontal excavation which connects two tunnels B Underground vertical excavation C Both A &B D None of the above The correct Answer Is B B Underground vertical excavation
A Shaft is A Underground horizontal excavation which connects two tunnels B Underground vertical excavation C Both A &B D None of the above The correct Answer Is B B Underground vertical excavation
