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Question On Roof testing In UG Mines With Detail || Type of roof testing|| Chapter-9||Part -3
What Pressure Arch theory
chapter -9|| part 1
• What is Pressure Arch ...
Chapter -8
Part - 1
• Explosive , Accessorie...
Part - 2
• All Important Question...
Part - 3
• Part-3 Question On Bla...
Part - 4
• Dj deshmukh||Chapter-8...
Part -5
• Type Of Exploder|| Typ...
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t.me/joinchat/...
part - 6
• Type Of Drilling Patte...