Rong Sheng from the school's safety department said, "In the past, our school safetyguards had to stand in the middle of the road after school to stop the cars."
该校安全部门的荣生表示：“过去，我们学校的保安在放学后不得不站在路中间阻止汽车。”
2
Make sure safetyguards are in place before you begin any job.
开始作业前先确认机器是否有安全防护装置。
3
The main products of our company focuses on safetyguards, crawl and so on.