/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: michaelduskus https://cdn.slidesharecdn.com/profile-photo-michaelduskus-48x48.jpg?cb=1523354642 Don't make something unless it's both necessary and useful; but if it's both necessary and useful, don't hesitate to make it beautiful. I enjoy being around those who love what they do. www.cureus.com