(Busan=Yonhap News) Reporter Min Young-kyu = It was found that 19.2% of finishing materials in children's activity spaces in the Busan area, including daycare centers, kindergartens, and elementary schools, exceeded environmental standards for heavy metals...
(Busan=Yonhap News) Reporter Min Young-kyu = It was found that 19.2% of finishing materials in children's activity spaces in the Busan area, including daycare centers, kindergartens, and elementary schools, exceeded environmental standards for heavy metals...