Under what circumstances can not use aluminum alloy scaffolding

1. Do not use ladders when you are tired, taking drugs, drinking alcohol, or physically impaired

2. Ladders should be placed on a firm and stable ground, never on ice, snow or slippery surfaces without anti-skid and fixed equipment

3. It is forbidden to exceed the marked maximum load-bearing mass during operation

4. The use of ladders in strong winds is prohibited

5. Metal ladders conduct electricity, avoid close to live places

6. When climbing, the person faces the ladder, grasps with both hands, and keeps the center of gravity in the center of the two ladder posts

7. When working, do not stand on the steps within 1 meter from the top of the ladder, always keep a safety protection height of 1 meter, and do not climb over the highest support point at the top

8. Do not put your hands above your head when working, so as not to lose your balance and cause danger

9. It is forbidden to jump directly from one side of the ladder to the other