Boring machine
Encyclopedia
Boring machine may refer to:
- a machine for boring (manufacturing) holes
- Tunnel boring machineTunnel boring machineA tunnel boring machine also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata. They can bore through anything from hard rock to sand. Tunnel diameters can range from a metre to almost 16 metres to date...