??????

é|??????????è|???????PE???PP???PVC???ABSè??????§????????????????????????????è???-?????????o??????????1?é?'?????o?????¨??aé??????????-PE???è???1???????PP???è???????????PVC??????è???°??1???????ABS?????????è?????????o???????è???1???????è???????±è????????

PE?????????è???1????

PE???????????????????'??1???-è???????¨??°???é??????-????????1?????????·???????¤??§??????o?o???????????¤??§?é????±è??è????????è????1??§????1??3??o???¨?o???????è???????????è??è???????????????-??o§?????????????·?è?o??-??????è??PE????????????è????·??????????°§?????§é???????¨?°§???????????-???è???°§????-???1??§???

PP?????????è????????

PP?????????????§???????????????-?????§???????????·??????è??é?????è????2?????§?????????è????oé?§?????o??°??§è'¨???è??????¤??§??????o?o???????é????±è??è???????¨?·??????-??????????1??3?????o???¨????????·?????????????'???-è????o???è§????é??????-????????1???????

PVC?????????è???°??1????

PVC???????????±?°??1??????¨??????????????¨???è?????è??????????-?????§???è?????PVCé???2???·???é????????è??é????±??????????????????è????¨??????????-??-????è????1??§????1??????·???è????????????????§?????1??§????????¨???????????????????????????é???o?????????·???é?¨?a????????o??¤????????????·??????è??????-????

ABS???????????????è?????????o???????è???1???????è???????±è?????

ABS????????o??????è?????????o???????è???1????????§??????????????????±è??????o§???????????????è?±?????????????????a?-?????????????è?????????§???o?o|é?????é?§??§??????????????§è?????è????????è??????????¨?3¨????????¤??o????????o?????1??????è??????-????????3?????·???o???????????¨é?????è???1??3???????è|???¨????·??¨???????????1??????¨?o?????o-????'???¨??·???