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DEALING WITH WASTE PLASTIC
Every year people throw away millions of tonnes of plastic bottles, boxes and wrapping. These create huge mountains of waste (1) __ that ________ are extremely hard to get (2) __________ of. Now, a new recycling process promises to reduce this problem by turning old plastic (3) __________ new. Scientists have taken (4) __________ long time to develop their ideas because waste plastic has always been a bigger problem (5) ___________ substances like waste paper. You can bury plastic, but it is years (6) __________ it breaks down. If you burn it, it just becomes another form of pollution. A (7) __________ products, for example bottles, can be re-used but it is expensive or difficult to do this (8) __________ a lot of plastic products. Now a group of companies has developed a new method (9) __________ recycling that could save almost (10) _________ plastic waste. The advantage of the new process is that nearly every type of waste plastic can be used: it does (11) __________ have to be sorted. In addition, labels and ink may be left (12) __________ the products. Everything is simply mixed together (13) __________ heated to more than 400 degrees centigrade (14) __________ that it melts. It is then cooled, producing a waxy substance that can be used to make new plastic products such as bags, bottles and, among (15) ___________ things, computer hardware.