68% học sinh bị chói lóa khi ngồi trong lớp học
Nguyên nhân chính gây ra hiện tượng trên là do hệ thống chiếu sáng trong lớp học chưa đạt chuẩn, các phương thức chiếu sáng, thiết kế lắp đặt hệ thống chiếu sáng chưa hợp lý...
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