1, safety first, alarm bells ringing.

2, safety first, remember.

3, safety in production, grasp the * * * tube.

4. Production and safety.

5, the embankment of a thousand miles, collapsed in the ant nest.

6. One person is safe and the whole family is happy.

7. If one person breaks the rules, everyone will suffer.

8, negligence for a while, painful life.

9. It's hard to find a lesson.

10, there are many trivial things, and there are many future troubles.