1. Physical fatigue, medication, alcohol or physical barriers to prohibit the use of ladders.
2. Ladders should be placed on a solid stable ground, there is no prohibition on the slip and fixed equipment ice, snow or slippery ground surface
3. Prohibited Prohibited quality than marked maximum load when the job
4. Prohibit the use of a ladder in a strong wind
5. Metal ladders conduct electricity, avoid places near energized
6. People face when climbing ladders, grab his hands, body weight is maintained at the center of two ladder column
7. Do not stand on the job ladder from inside the top of the ladder 1 meter range, always keep one meter of height safety protection, not to climb over the top of the highest anchor
8. Do not hand the job over the head, in order to avoid loss of balance, the risk of
9. Prohibit directly across from one side to the other side of the ladder