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Lowering the cost of underground utility projects

Critical underground water, gas, sewer, and power lines often go unbuilt because it’s too expensive to tunnel through the given local geology. Petra’s trenchless tunneling multi-tool, which includes the non-contact Jet Bore™ thermal drilling cutterhead, can slice affordably through all geologies, be they hard rock, cobble­stones, boulders, water-logged soil, loose sand, or dense clay.

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