近年来塑封材料在幼儿园用得很多,塑封后的材料任由幼儿撕、扯都不会坏,确实减轻了教师的重复劳动。但塑封材料也会对幼儿造成意外伤害,塑封后的卡纸很硬,四个尖尖角很容易划伤幼儿稚嫩的肌肤。有的教师还将塑封的标记牌戴在幼儿的脖子下、手臂上,这些还带着尖尖角的塑封材 In recent years, plastic materials used in a lot of kindergarten, plastic materials after leaving young children tear, pull will not be bad, really reduce the duplication of teachers. However, the plastic material will also cause accidental injury to young children, plastic cardboard is very hard, four sharp corners are very easy to scratch young children tender skin. Some teachers will also plastic seal signs worn on children’s neck, arm, these also with a sharp angle of plastic material