/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuserfcea2d https://cdn.slidesharecdn.com/profile-photo-ssuserfcea2d-48x48.jpg?cb=1523484668 "When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us." – Alexander Graham Bell.