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  • 3 Ways to Break Big Rocks - wikiHow

    Mar 28, 2019 · If the rock you wish to break is small enough to fit inside a large canvas bag or even a pillowcase, place it in slowly and tie it closed on the open end. 2. Lay the case with the rock in it onto solid ground. ... Break Smaller Rocks Safely. How to. Polish Granite. How to.