It was written right on the front of that boring machine.

The photograph at top was taken on the English side, in the area where a 200-meter-long boring machine is being assembled.

Flashing my light around above me I could soon see the tunnel itself had been made by some kind of boring machine.

The hole, five feet in diameter, appeared to have been made by some mighty boring machine.

The water damaged two of the four tunnel boring machines, but no workers were injured.

This was the first time that tunnel boring machines were used in Iceland.

He was dead certain that Pitt wanted to check out the other end of the tunnel and observe the big boring machine in action.

Stage Two is being built using tunnel boring machines.

For these he developed a boring machine, which he later patented.

As such, even though it cost less than using a tunnel boring machine, the plan drew heavy criticism from area residents and businesses.