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행글라이딩 Towi..
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이정대 13.03.29Hang gliding Towing의 기초 1. 국내 안전사고 유래및 역사 행글..
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Hanggliding ..
이정대 12.10.11Hang gliding is an air sport in which a pilot flies a light and unmotorized foot-launchable aircraft called a hang glider (also known as Delta plane or Deltaplane). Most modern hang gliders
