一、事故原因 纵观多起铅球事故，安全意识薄弱、组织教学不严谨是主要原因。具体表现在课前、课后领取归还铅球未作细致要求，导致个别学生随意抛掷；多个班级同时上课，受场地限制；不时有他班器材（篮球、足球、排球等）滚入铅球练习区，捡球者未注意不幸伤身；个别教师为加 First, the cause of the accident Throughout more shots accidents, safety awareness is weak, the organization is not rigorous teaching is the main reason. Specific performance in the pre-class, after receiving the return shots did not make detailed requirements after class, leading to arbitrary throwing of students; multiple classes at the same time classes, subject to venue restrictions; from time to time his class equipment (basketball, soccer, volleyball, etc.) into the shot practice area , Pick the ball player did not pay attention to the unfortunate injury; individual teachers to add