Access To mineral Deposit|| PART- 2||What is Shaft Pillar & Mine Car|| By Rohit sir
15:28
Access To Mineral Deposit Part -3|| VoL -1|| By Rohit sir
26:06
Explosive , Accessories And Blasting - Chapter 8|| Dj Deshmukh book|| By rohit sir✍️✍️✍️
24:25
Temporary Lining of shaft | Shaft Sinking | Part-4 | Lining of Shaft | By Suman Sir
36:03
Asia’s biggest open cast coal mine tour | Coal mining process | Gevra, SECL coal mine Chhattisgarh
23:22
Drilling & Blasting Patterns in Opencast and U/G Mines #dgmsexam #opencastmines #undergroundmining
16:15
Question on sinking shaft
9:02
Rock blasting , Control blasting work Drilling work
18:50