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Weiran commented on Recycled artwork

Hi,Sophia. I am wondering that artwork only account for small demands of plastic usage, so it may not solve plastic waste radically.

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Weiran commented on Plastic Zero - Using a Shape Memory Polymer (SMP)

Hi Jessi, this is revolutionary material. I am really interested in the cost to produce the materials, because usually plastic packing should be as cheap as possible.

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Weiran commented on Busy-ness = more plastic usage!

Hi, Marisa. In China,big supermarkets are not allow to provide plastic bags from customers, but small groceries still using plastics bags, this is challenge that plastic bags are hard to replace.