Load carrier for labour

A push cart as well as a backpack which can pick-up heavy loads

Here is a real grass root innovation. It is meant to improve the working condition of labourers and workers at many places globally like construction site, factories, ports, railway stations, etc.
The objective is to prevent various occupational hazards.

To carry Loads overhead with ease

and a pushcart as well...

This innovation if widely used, can improve significantly the quality as well as lives of labourers throughout India.

Its simplicity and ingenious design is simply remarkable.

This innovation was submitted as a contest entry by Vikram Dinubhai Panchal of NID (Ahmedabad) for the Core77 design awards '11. It won the first place in products/equipment category.

Doing a little research, lead to this link-

External frame packs

Two external frame knapsack designs from the 1860s

Apparently, this innovation has been revived out of something that has already existed somewhere sometime.

Nevertheless, the best part about this product is that it costs 300 bucks only!

Further reading