Derived from human sewage…
A ballpoint pen and its ink – derived from human sewage:
https://www.dezeen.com/2019/07/09/sum-waste-pen-garrett-benisch-pratt/
Derived from human sewage… Read More »
A ballpoint pen and its ink – derived from human sewage:
https://www.dezeen.com/2019/07/09/sum-waste-pen-garrett-benisch-pratt/
Derived from human sewage… Read More »