How can I keep the ladder from slipping?

Industry I 2020-12-29, Number of views:5

When setting up a ladder, you should first observe whether the ground is firm or slippery, and then the Angle of the ladder should be suitable for stability, depending on the length of the frame, from 45 to 60 degrees. Alternatively, place the weight under the ladder behind the support point; In fact, the best way is to ask someone to hold the ladder for you and make sure it is stable.