1 body tired, drugs, alcohol or physical disorders, prohibit the use of http://www.jszxship.com ladder.
2. The ramp should be placed on a smooth solid ground, the ban on the no slip resistance and fixed equipment of ice, snow and slippery ground surface
3 the prohibition of the operation of the maximum weight of the maximum weight
4 prohibit the use of ramp in the wind
The 5 conductive metal ladder, avoid places close to live
6 people climb for the ramp and hold hands, body weight remained at two central staircase column
Homework. Don't stand in the range of 1 m from the top of the ladder of on the ladder, always keep safe protection height 1 meter, not to climb the top of the support
8 work hand not over the top of the head, so as not to lose the balance of the body, the risk of
9 do not directly across from one side to the other side of the ramp.
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