Cutter Head...
..of a Tunnel Boring Machine
1,616
views
66
faves
29
comments
Uploaded on December 4, 2016
Taken on October 14, 2016
Cutter Head...
..of a Tunnel Boring Machine
1,616
views
66
faves
29
comments
Uploaded on December 4, 2016
Taken on October 14, 2016