2020 - Volume #44, Issue #3, Page #11
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Underground “Drone” Finds Drain Tile Plug-Ups
The Ferret “drone” from Indiana-based Davaus company will make field tile repair easy. The cordless, tracked, waterproof device is designed to explore 4-in. tile lines or bigger.
  “Finding broken or blocked tile can be labor intensive and invasive, whether using a spade or a backhoe,” says Dave Hockemeyer, Davau..........


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2020 - Volume #44, Issue #3