과학의달 무중력 나무텐세그리티만들기(선반만들기)과학의날
<p></p><p><img hspace='5' vspace='0' src='https://bans0405.openhost.cafe24.com/web/upload/NNEditor/20211118/30303-1.jpg' style='width: 860px; height: 3960px;'></p><p><br></p>