/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: WasifAsghar https://cdn.slidesharecdn.com/profile-photo-WasifAsghar-48x48.jpg?cb=1523778195 Try to live always in learning doing and learning teaching system by making a combination of theory and practical. This helps to strengthen our skills and its purification.