1. Roads and Railways: culverts, passages, small bridges, tunnels, culvert and tunnel overhaul, temporary access roads and seepage wells;

2. Municipal and Construction: common ditch, optical cable protection, drainage ditch, tower crane cofferdam, vertical pile shell;

3. Coal Mine: mineral transmission pipeline, personnel and mining machinery channel, shaft;

4. Civil: power plant flue, grain storage warehouse, fermentation tank, wind power generation;

Military: military access road, air defense passage and evacuation passage.