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Problem: Even for a strong young man, it is not a easy task to raise up a pail of domestic drinking water, which has a weight of about 19.5 kg. Obviously, it is harmful for our spinal column.
Solution: This new kind of pail is divided into 4 parts equally. Thus, we only need to raise up a quarter of the weight at a time, and finish the task by raise the quarter-pails for four times. Although we need to raise three more times, for each time the pressure on our spinal column is much less than before.

University

Shanghai Maritime University

Shanghai Maritime University
Shanghai, China

Design

Cao Yiqing

Cao Yiqing
Shanghai, China