/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: RifandyPriatna https://cdn.slidesharecdn.com/profile-photo-RifandyPriatna-48x48.jpg?cb=1417381498 Well advanced in an art occupation, or branch of knowledge - adept, skilled, skillful, having knowledge and experience in a trade or profession. With a thorough competence derived from training and practice with special aptitude as well as skilled stresses mastery of technique. Having individual dexterity in execution or performance within large and small team.