What are the small workers on the construction site?

For example, when you wait for the tilemith, the tile workers are built and gray. There are no technology and physical work. Turn cement, bricks, wood, etc.

Stir gray material, handle masonry and so on.
make on the construction site is to dry some mixing ash, handle masonry and so on. The big work is a technical worker, responsible for building walls, plastering, paste tiles, etc. Miscellaneous workers are the work of some old and weak people. The responsibilities of small workers in the construction site are as follows:
1. Responsible for the environmental sanitation of the construction site.
2, responsible for pumping water in the basement.
3. Cut the steel bars of each building and explode concrete.
4, on -site safety slogans, safety channels, etc. are pasted and suspended, and there are hidden safety conditions for protection.
5. The indoor machinery cannot be filled in the part to fill and compacts.
6. Cooperate with the construction workers to deal with all sporadic engineering problems that need to be solved by each building.