This video is very important for all mining engineering and diploma mining engineering students.
This video contains basic terminology of opencast mining method.
Bord and pillar mining playlist:
https://youtube.com/playlist?list=PLGOzqilTbvOLUzXcDG_QBgiq_p6YFke22
Mcq playlist: https://youtube.com/playlist?list=PLGOzqilTbvOJ_O85R1VCwwIJ2SMCbGKID
