Weight has been given to use the maximum ceiling hook for each point.Not exceeding 50 kilograms in weight, hook test ceiling using the maximum tensile strength: 2 times.Its weight is 100 kg 100 kg size swing, using a scale measuring tensile strength in a hook for hanging, and.Add 4 times the weight and cargo weight 4 times and record the movement of the hooks for hanging up with Dial gauge range 0-50 mm, resolution 0.01 mm to stop testing when it detects cracks of steel structures hanging hook.
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