Hercules Rod
patent protected by Germany
Liquid carbon dioxide tech is suitable for softer rocks and Hydraulic cylinder tech, Hercules Rod, is suitable for harder rocks. Likewise, Hercules Rod will not cause gas explosions. And this technology is protected by patent of German. At the same time, according to a row of drilled holes, the direction of the crack can be controlled. This has advantages in some special workplaces.
Hercules Rod patent from Germany
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