1. High voltage operations (Including the operation near a high-voltage line).
2. Live equipment operations.
3. Works requiring temporary shutdown of the security system.
4. Works entering into a enclosed space (Including operation in any area at risk of hypoxia).
5. Works exposing to hazardous materials.
6. Fire works (cutting, welding) in non-designated area.
7. Works on the higher levels and in the deep pits.
8. Demolition works.
9. Excavation operations including near underground pipes and underground cables.
10. Operations carried out on equipment of radioactive sources.