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U/g mines में coal के extraction के बाद जो खाली जगह (void area) बनता है उसे Goaf कहते हैं।
Thank you
Excellent work 👍👍
Most beautiful video.
Very Nice Sir ji ❤❤❤❤
Sir ji❤️Panel, District aur Goaf topic par detail video banaye pls..Waiting.. for reply.
Thanks well explain
Thank you brother ❤️❤️
Sir, board and pillar method ke alawe other methad se coal ka extraction kr ne ke liye kin se Permission lenge
it is given that the percentage of extraction B and P mining is 48 degree width of gallery is 4.2m. calculate the pillar size in meter ...how to solve
Sar solid blasting mein free area kaise banate hain vah bataiye ega 🙏🙏🙏🙏🙏🙏
Dip rise and level... Explain in detail
Please check to our video playlist we already discussed it.
Sir plz shaft sinking ka v video bnayiye
Pillars are makes for roof support, But in Depillaring we are extract coal pillars, so after Depillaring how roof are supported?
by sand stowing or caving
LEVEL , DIP , RISE ka numbering kis hisab se kiya jata hai , thora bata pate too bahat accha hota , with example....kyun kii ess topic pe koie bhi video / eya fir kitab meh bhi nehi mill raha hai. please.....🙏🙏🙏
Yes is topic pe video banani chayiye
Chain pillar kya hota hai
Panel m kya bole minimum approach bole ya up closed please btaiye sir
Gellery ki height 3m&Width 4.8m
Junction ka defination ky h in hindi
Sir hamko online class karna hay to apka ph no plz dijiye
Sir please panal size kaise diside karte h
Seam kya hota hai?
Seam is the layer of coal..
Sir ventilation detail me batao
Please check our latest video on ventilation
Please make more videos in b and p
Okkk sure and thanks for suggestions
Bhai apna vioce improve kro ausa lag raha h pipe me bol rahe ho
You have skipped goaf
Bhaiya aap goaf to bataye hi nahi
Goaf is a void place where extraction are done....
U/g mines में coal के extraction के बाद जो खाली जगह (void area) बनता है उसे Goaf कहते हैं।
Thank you
Excellent work 👍👍
Most beautiful video.
Very Nice Sir ji ❤❤❤❤
Sir ji❤️
Panel, District aur Goaf topic par detail video banaye pls..
Waiting.. for reply.
Thanks well explain
Thank you brother ❤️❤️
Sir, board and pillar method ke alawe other methad se coal ka extraction kr ne ke liye kin se Permission lenge
it is given that the percentage of extraction B and P mining is 48 degree width of gallery is 4.2m. calculate the pillar size in meter ...how to solve
Sar solid blasting mein free area kaise banate hain vah bataiye ega 🙏🙏🙏🙏🙏🙏
Dip rise and level... Explain in detail
Please check to our video playlist we already discussed it.
Sir plz shaft sinking ka v video bnayiye
Pillars are makes for roof support,
But in Depillaring we are extract coal pillars, so after Depillaring how roof are supported?
by sand stowing or caving
LEVEL , DIP , RISE ka numbering kis hisab se kiya jata hai , thora bata pate too bahat accha hota , with example....
kyun kii ess topic pe koie bhi video / eya fir kitab meh bhi nehi mill raha hai.
please.....🙏🙏🙏
Yes is topic pe video banani chayiye
Chain pillar kya hota hai
Panel m kya bole minimum approach bole ya up closed please btaiye sir
Gellery ki height 3m
&
Width 4.8m
Junction ka defination ky h in hindi
Sir hamko online class karna hay to apka ph no plz dijiye
Sir please panal size kaise diside karte h
Seam kya hota hai?
Seam is the layer of coal..
Sir ventilation detail me batao
Please check our latest video on ventilation
Please make more videos in b and p
Okkk sure and thanks for suggestions
Bhai apna vioce improve kro ausa lag raha h pipe me bol rahe ho
You have skipped goaf
U/g mines में coal के extraction के बाद जो खाली जगह (void area) बनता है उसे Goaf कहते हैं।
Bhaiya aap goaf to bataye hi nahi
Goaf is a void place where extraction are done....