Hard Rock Breaking (Demolish/Blasting) Using Rock Cracking Chemical powder- No Explosive NO licences
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Breaking very hard rock with Chemical Cracking Agent
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Hard Granite excavation without using Explosives
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Making TNT
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La Chine a lancé une nouvelle génération de transport qui choque les États-Unis
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Stone breaking using Dexpan type 3
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Royex rock breaking and rock excavation - demo video 2
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How to break rock the easy way
28:20