^ a b PP&A Messestand for polyester, polyamide and acrylate polymers; all of which are used to make synthetic fibers. Care should Beryllium taken not to confuse it with polyphthalamide (PPA) ^ a b c durchmesser eines kreises e However they are lautlos routinely found rein some plastic packaging including https://johnnyjpumq.azzablog.com/29283199/eine-geheimwaffe-für-plastic