⟩ Explain me how to erect scaffolding?
1. It should be erected on levels firm ground
2. It erected by trained / skilled person
3. It is constructed using metal pipes and wooden boards
4. It should be design and constructed from good and sound material
5. Not to be erected on loose earth
6. Clamps should fixed
7. Properly bracing
8. Sole plate is necessary the base of vertical pipe