words, numbers or symbols used to designate composition of components of a product or packaging. Note: a material identification symbol does not indicate whether an item can be recycled. Found on http://en.wikipedia.org/wiki/Glossary_of_environmental_science
words, numbers or symbols used to designate composition of components of a product or packaging. Note: a material identification symbol does not indicate whether an item can be recycled. Found on http://www.translationdirectory.com/glossaries/glossary306.php