A Much more interesting video I've posted is available below:
• 1500ft Fresh Air Raise...
Visit www.minewise.net to contact us for details.
Негізгі бет Ғылым және технология Bore hole inspection.
A Much more interesting video I've posted is available below:
• 1500ft Fresh Air Raise...
Visit www.minewise.net to contact us for details.
Пікірлер: 1,1 М.