He was using a transfemoral prosthesis with silicone liner and partial suction with a total elastic support belt for additional suspension.

The suction inlet of vacuum dust-collector can avoid the sucked hair or wire flowing to the belt to avoid the damage of suction inlet.

3 suction heads revolve to suck box, erect box, place box in one step and put boxes uprightly into the chain-type grid belt of the cartoning machine.