big drill


| Send to Facebook | Send To Twitter
  • Leave A Comment

    Subscribe
    Notify of
    3 Comments
    Inline Feedbacks
    View all comments
    smeg

    not a drill. spiral auger, classifier for some sort of dewatering or grit removal of gray (sewer) water. ok

    tiki god

    isn’t a spiral auger just a subsclass of drills?

    smeg

    grit classifier is…. never mind.