/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: niveditasingh52459 https://cdn.slidesharecdn.com/profile-photo-niveditasingh52459-48x48.jpg?cb=1523483172 Experience is a wonderful thing. It enables you to recognise a mistake when you make it again.