There are three types of plastic that are widely recycled – HDPE, PET and to a lesser but increasing extent PP. If you have a plastic bottle with one of these codes it will almost certainly be suitable for recycling. Sometimes a bottle might be made from one of these polymers and the cap from another, but Chris Hanlon, the commercial director at the recycling centre Biffa Polymers in northeast England, says this shouldn"t be an issue.

อ่านต่อเพิ่มเติม> โรงเรียนบ้านหนองโก
สาระน่ารู้> สิ่งมีชีวิต