To prevent breaking in piping work,you should hold pipe with a distance between two hands over the minimum allowable holding length and bend it in the minimum allowable bending diameter specifide by type of pipe.

• 为了使弯曲后的管子不被折曲需要根据产品种类两手握的距离最少要超过两手距离，弯曲时的直径要超过最小弯曲直径。