PET and HDPE plastic bottles are the most common materials handled at facilities recycling post-consumer plastics.
(PET and HDPE plastic bottles; are; the most common materials handled at facilities) (the most common materials; handled; L:at facilities) (facilities; recycling; post-consumer plastics)
PET and HDPE plastic bottles the most common materials facilities
are handled recycling
the most common materials handled at facilities
L:at facilities
post-consumer plastics