Joke Collection Website - Bulletin headlines - What should be posted at the road construction site?

What should be posted at the road construction site?

Promotional slogans such as production safety and civilized construction should be posted at the construction site of the road closure. Propaganda slogans are mainly placed at construction sites, operating points, and dangerous areas. According to the requirements, construction must not only unify the materials, appearance and size of hard fences, movable fences, conical barrels and other fences, but also post road occupation notice boards, traffic diversion notice boards, civilized construction language boards, etc. on the fence. Block.