/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: MaxwellKgalema https://cdn.slidesharecdn.com/profile-photo-MaxwellKgalema-48x48.jpg?cb=1523174290 There is about 20% of the things that makes 80% of the difference,find them.I have.