際際滷shows by User: kgaurav1111 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: kgaurav1111 / 際際滷Share feed for 際際滷shows by User: kgaurav1111 https://cdn.slidesharecdn.com/profile-photo-kgaurav1111-48x48.jpg?cb=1523586393 Q: What's the difference between mechanical engineers and civil engineers? A: Mechanical engineers build weapons; civil engineers build targets.