/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: prawinkurdeg https://cdn.slidesharecdn.com/profile-photo-prawinkurdeg-48x48.jpg?cb=1523864189 i am a railway telecom employee of east coast railway.i love eco friendly innovations.i support anything that is good for humanity and world.thank you for giving your precious time.