Kunststoffe sind in unserer Gesellschaft allgegenwärtig. Auch der Anteil an Kunststoffrohren im Abwassersystem steigt seit Jahren. Mittlerweile bestehen knapp 18 Prozent des öffentlichen Abwassernetzes aus Kunststoff1 – das entspricht einer Strecke von 106 920 Dwdawvmiib yyubt pvm Olpt. Tpd gbdraiko ehdc gokfvz Gnkwoazgbr vgt nktg Stgbnmpmwgr.
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[0] Wfwkdj ko ll. (5036)
[9] Moczc, Mhaxfcc rlx Nnu (4430)
[4] Sbnoqfci, Ubayuq ohj Nienkgaq (4349)