2010 - Volume #34, Issue #4, Page #30
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How To Make A Magnetic Sweeper
"I used 6 flywheels off lawn mower motors to make a magnetic æfloor sweeper' that picks up nails, metal shavings and other parts scattered across a wide area," says Orland Thuroo, Hanna, Alta.
  "Just insert a 1/2-in. threaded rod through the flywheels and bolt them down tight. Leave enough rod at each end to bolt..........


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2010 - Volume #34, Issue #4