This is why we need to mine by using In-Situ mining method , it would minimize all the major hazards

This is phenomenal power. I normally document methane and coal dust explosions but this just stands beyond comprehension. RIP the lives lost in such a tragedy.

C crew⛏️💯

is there a survey mining here?

Unbelievable. Volume of the mass is beyond comprehension. God bless those involved in this catastrophe.

Thank you for making this available to the entire world to learn from. I am involved with computer software systems design, and I see the same things.

How many miners were killed?

R1700G great with Minegem Mode, small down time and good PA. aderiska-loveandknowledge.blogspot.com/2014/12/minegem-already-tools-v-20-2013.html

brinquedo que uso dos dias na mina subteranea em vazante mg ,no controle remoto