Vocational students of Don Bosco Youth Center performed a Masskara Festival dancer number during last Friday’s GROHE International Certification awarding rites. A leading global bathroom and kitchen solutions, GROHE gave out awards to its first batch of internationally certified students who have completed their vocational courses, topped by trainee Rommel de Guzman with an average of 94 percent, at the GROHE Dual Tech training facility in Don Bosco Youth Center Tondo, Manila.