Lunch program Demonstration School of Suan Sunandha Rajabhat University Welcoming Environment and Sanitation Officers Dusit District Office Conduct food sanitation checks Canteen of the Demonstration School of Suan Sunandha Rajabhat University Both elementary and middle school with Deputy Director of Student Affairs Teacher Petchphanom Chitman (Primary) and Teacher Rayong Kandokmai (Secondary) welcomed and facilitated the school's food sanitation inspection.