際際滷shows by User: teknoblade / http://www.slideshare.net/images/logo.gif 際際滷shows by User: teknoblade / 際際滷Share feed for 際際滷shows by User: teknoblade https://cdn.slidesharecdn.com/profile-photo-teknoblade-48x48.jpg?cb=1522830917 Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking, and nothing is superfluous. <Leonardo da Vinci>