A skeleton to help China's deliverymen
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Having devoted years to developing an external skeleton device, or exoskeleton, deliveryman Zhang Long hopes his invention can make work easier for his peers.
Comprising two steel parts, the device's upper is a herringbone-shaped frame, while its lower is to be bound around users' legs with flexible joints.
It was invented with one goal in mind: to make climbing stairs while delivering heavy parcels easier.