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The metal teeth, or "cutter head," will hydraulically break up the lake bottom material before it is suctioned into the dredge and pumped into the pipeline.

The metal teeth, or “cutter head,” will hydraulically break up the lake bottom material before it is suctioned into the dredge and pumped into the pipeline.

The metal teeth, or “cutter head,” will hydraulically break up the lake bottom material before it is suctioned into the dredge and pumped into the pipeline.