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عمومی::
کایاکسواری در آبهای خروشان
Evidence of pioneering by free innovators in whitewater kayaking
The first of the two studies I will review involves innovation in equip- ment used in the sport of whitewater kayaking.
Whitewater kayaking involves using specialized kayaks to maneuver in rough white water and also to perform acrobatic "moves" or "tricks" such as spins and flips.
From those small beginnings, the sport of whitewater kayak- ing slowly grew to substantial size.
In the mid 1970s there were only about 5,000 whitewater kayaking "enthusiasts" (frequent participants)
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