Blasting and explosive lets chat

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19/04/2016

How do we colculate pouderfactor if your spacing is 5m and your buden is 5m depth is 18md xsesary 17ms 400kg booster using hef100 ,.then8-) Blast 5,4,3,2,,,,1* fire booooooogh*

19/04/2016

Have u ever charge hot holes or wat is the plan to charge hot holes,opencast mining.

19/04/2016

If they say charge15kg per 1m and each hole depth is 7m and final steming is2m how many kg will u charge each hole?

19/04/2016

What kind of explosive do u use to blast coal?

19/04/2016

What kind of machen do u oparate

19/04/2016

What is shevron partin how do we blast it meaning its timing

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