east origin can effect protect to the nose & hemoglobin are plane & a top is report ->  acids and bases can cause harm to the eyes  acids and bases can cause harm to the eyes & antler have to rest with gaps and classes for parks ->  acids and bases may cause harm to students' eyes during experiments  acids and bases may cause harm to students' eyes during experiments & danger veins are used for protecting the nose during chemicals -> safety goggles can be used to protect students' eyes from acids and bases