Spacing ,Burden & amount of Explosive || Opencast Terminologies || Important for WCL MS Exam
12:10
Opencast MCQ Questions || Most Important for WCL Mining Sirdar Exam || #Opencast_MCQ #WCL_Questions
15:55
ANFO & Slurry Explosive || Opencast Explosives || Use ? Properties? Important for WCL MS Exam
28:12
Drilling in Mines | Fundamentals of Drilling Operation in Mines | #opencastmines #undergroundmining
15:58
Opencast MCQ Final Part || WCL Mining Sirdar MCQ ||
11:53
Cast blasting or throw blasting - for all mining students
36:03
Asia’s biggest open cast coal mine tour | Coal mining process | Gevra, SECL coal mine Chhattisgarh
11:43
Opencast Machinery Used || Shovel, Dumper,Dragline,Surface Miner,Wheel Bucket Excavator,Highwall etc
3:26