The invention by an Oakland man to prevent back strain among tire installers that we told you about in our June 2000 issue has received a U.S. patent and positive evaluations by an ergonomics expert and the National Institute for Occupational Safety and Health.Roy Starling developed the "Tire Hanger" after noting that the daily act of lifting tires from vehicles to the floor and vice versa was causing back problems among his employees.The hanger is a bracket and swiveling extension
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