The video shows a Jumbo drill rig used in Underground mining which is drilling at 90 degrees to start a new heading. The boom of the Jumbos make this possible as it can easily turn 90 degrees making the Jumbo very flexible.
Video by Sabin Sabeff
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this Post should be reported.
Please briefly explain why you feel this Comment should be reported.
Please briefly explain why you feel this user should be reported.