Hacker News new | ask | show | jobs
by tppiotrowski 727 days ago
It has to be PVC pipes. Once you cut one with a mitre saw and see all the plastic dust in the pipe that gets washed into the nearest water source

Or the replacement of wool with polyester and nylon over the last 100 years

Tires are a good thing to look into but a lot of things have change drastically in the last 100 years...

1 comments

Synthetic fibers has to be a big one.