Freezing method of shaft sinking.
7:07
Cementation method of shaft sinking. MCQ based.
17:06
Classification of fire& fire extinguishers used for particular type of fire 🔥
25:23
Precautions to be taken while working in restricted area for recruitment also
9:20
Vertical Shaft Sinking Machine (VSM)
20:21
Misfire of Explosive in Underground Mines (Hindi)
24:41
What is Natural ventilation? description of natural ventilation.Explanation in easy language.
25:12
Lucky Friday #4 Shaft Project in 2011
1:18:43