| ▲ | jccalhoun 6 days ago | |
Wikipedia says it was first marketed only 3 years earlier so it was pretty new https://en.wikipedia.org/wiki/Poly(methyl_methacrylate) | ||
| ▲ | jccalhoun 6 days ago | |
Wikipedia says it was first marketed only 3 years earlier so it was pretty new https://en.wikipedia.org/wiki/Poly(methyl_methacrylate) | ||