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 replac

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...