Reversal of air current-statutory provision, Circumstances, Risk in reversal of ventilation

[@pramodkumarprajapati4270]

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[@gunvantbele-miningclasses]

Ok

[@arunkumar-sm7rk]

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[@ajithembram315]

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[@gunvantbele-miningclasses]

ok

[@Hatunique]

अति सुंदर तरीके से बताया सर आप ने

[@gunvantbele-miningclasses]

ok

[@rajanchouhan6924]

Thank you sir

[@gunvantbele-miningclasses]

ok

[@PawanKumar-vd9ks]

🤔

[@gunvantbele-miningclasses]

Ok

[@PawanKumar-vd9ks]

Natural ventilation par concept dijiye

[@gunvantbele-miningclasses]

Ok

[@rajeshsahoo8853]

Sir are you doing online coaching for fmu?

[@ajithembram315]

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[@gunvantbele-miningclasses]

ok