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Safdar Ali

106 ºÝºÝߣShares52 Followers
106 ºÝºÝߣShares52 Followers
Personal Information
Organization / Workplace
Ranchi, Jharkhand

Presentations(106)Ìý

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Safety in mines
Safety in minesSafety in mines
Safety in mines
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Tunneling
TunnelingTunneling
Tunneling
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Explosives and accesories
Explosives and accesoriesExplosives and accesories
Explosives and accesories
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