A man sprays the anti-dengue mist inside a classroom in Balagtas Central School during the ceremonial launch of “Sa Iskul, Ligtas ako sa Dengue: Provincial Anti-Dengue Spraying” of the Provincial Government of Bulacan headed by Gov. Wilhelmino M.Sy-Alvarado. Inset. Usec. for Finance and Administration Francisco Varela of the Department of Education lead the painting of the classrooms during the kick off ceremony of Brigada Eskwela also known as National Schools Maintenance Week on May 21-26, 2012.