Government refers to urban public utility projects such as urban roads, bridges, water supply and drainage, sewage treatment, urban flood control, gardens, road greening, street lights, and environmental sanitation;

1. Road traffic engineering. Such as roads, interchanges, squares, transportation facilities, rail transit facilities such as railways and subways.

2. River and lake water system projects. Such as rivers, bridges, diversion (drainage) canals, drainage and irrigation pumping stations, gates and bridges and other hydraulic structures.

3. Underground pipeline engineering. It is used for common water supply, drainage (including rainwater and sewage), power supply, communications, gas supply, heating pipeline parts and special-purpose underground pipelines and civil air defense passages, etc.

4. Overhead pole and line engineering. Power supply pole lines, communication pole lines, trackless pole lines and overhead pipelines with different voltage levels.

5. Street greening project. Street trees, shrubs, lawns, greening sketches (such as rockery stones, verandas, easels, pools, fountains, etc. in street greening), buildings, and structures account for the main parts of various municipal engineering sites (factories), stations, and points.