2015 - Volume #39, Issue #5, Page #30
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Vacuum Digger Makes Holes Fast
This vacuum-powered digger doesn’t just dig a hole fast. With the help of a shop vac, it also sucks away the loose dirt. It was originally designed for a special contract with the California Department of Transportation.
  “The California DOT needed a way to safely remove dirt to install a locking system to preve..........


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2015 - Volume #39, Issue #5