/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: kelvenlaw9 https://cdn.slidesharecdn.com/profile-photo-kelvenlaw9-48x48.jpg?cb=1523431562 law wei liang 20 years old msn:liang201292@hotmail.com nice to meet u all...……＾　＾