Labels:bannister | door | fence | flag | kirpan | knife | railing | sky | traffic light OCR: POLYMERS HE WORD polymer comes from the wool, and your hair are all made of Greek words poly and 'mer polymers. But polymers can also be which toget ther mean many parts, made artificially producing many chemistry we use 1t to describe giant new kinds of materials that op not organic molecule that 1s made exist in nature. The most important linking together lots of smaller synthetic polymers are plastics. identical molecules called monomers. The process that builds them into giant molecules is called polymerizat tion. Many polymers occur naturall silk, sheep' Stainless steel This hip Using replacement plastics uses joint Polyethylene shaft special plastic called polyethylene, which almost frictionless. ymers naturally shaf polyetbylene frictioness
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