1) The regulation of the rated load of the flipping pliers is to flip a steel plate with a single pliers, and the flipping mode is as follows. In actual use, a steel plate can be lifted by a single or two (plus beams).

　　2) As shown in the following figure, horizontal lifting steel plates must be added beams. Angle a should be between 30° and Angle B should be between 0° and 15°. When a= 0°~60°, the maximum weight allowed to be lifted by four pliers is 2.5 times that of a single load,a> At 60°, a=60° should be used as the basis for reduction according to the trigonometric function relationship, allowing the maximum lifting = load * conversion factor.

　　3) Use one or two turning pliers to lift the section steel.

　　4) Use one or two turning pliers to lift the section steel.

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