Köplenç ulanylýan plastmassalar, poliester (PET polietilen teraftalat), ýokary dykyzlykly polietilen (HDPE), pes dykyzlykly polietilen (LDPE), polipropilen (PP), poliwinil hlorid (PVC), polistirol (PS) alty sany esasy kategoriýa bar. Emma, nädip tanamalydygyny bilýärsiňizmi ...
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