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| | Stopping a Thunderbolt - Pittsburgh Tribune-Review |
 | | It was his development of a magnetic braking system for roller coasters, however, that has been drawing him back home to Pittsburgh more often in recent years, where his mother and two sisters still live, to make important safety modifications to the rides that thrilled him as a child. |
 | | Intamin AG, the Swiss manufacturer of Kennywood's Pitfall tower, which employs magnetic brakes to stop riders' 250-foot direct vertical descent, did not have a system for use on roller coasters, he said. |
 | | Pribonic may have further irked Intamin by testifying against the company in a lawsuit involving a 1999 accident at Six Flags Darien Lake Park near Buffalo, where a rider was injured after being ejected from the Superman Ride of Steel in 1999. |
| www.pittsburghlive.com /x/search/s_329728.html (1185 words) |
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