And conducted a separate inquiry into safety measures in a 12 group 1. Group 2. Group 3. Construction, Electrical and Fire Protection Category 4. Category 5. drilling and excavation and construction at stake. 6. Chapter 7. uninterrupted wall bracing machinery and transport materials, and temporarily lift the crane section 8. elevators and hoists, wire rope suspension 9. group 10. group work in places where there is danger of falling from a high of 11. . section 12. demolition category protected personal safety.
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