GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Plastic bottles. Bottles made from different kinds of plastic, high-density polyethylene (HDPE), left, and polyethylene terephthalate (PETE), right. Both plastics are commonly recycled and are labelled 2 and 1 , respectively, in the SPI resin identification coding system.
Model release not required. Property release not required.