2. Metallurgy: cleaning of ladle and slag, dismantling of furnace body and equipment foundation;
3. Railway: Mountain opening, tunnel excavation, road and bridge demolition, subgrade
compaction;
compaction;
4. Highway: highway repair, cement pavement breaking, foundation excavation;
5. Municipal Garden: concrete crushing, water, electricity, gas engineering construction, old city reconstruction;
6. Buildings: demolition of old buildings and crushing of reinforced concrete;
7. Ship: hull descaling and derusting; 8. Others: ice breaking, frozen soil breaking, sand mold vibration