http://www.phiko.kr/bbs/board.php?bo_table=z11_03&wr_id=774&sca=12%25ED%2598%25B8_%25EC%2584%25B8%25EC%25A2%2585-%25ED%2592%258D%25EC%2582%25B0%25EC%259A%25B0%25EB%2593%259C%25ED%2599%2588
벌어짐, 갈라짐, 뒤틀림