Part 3: Questions 76 – 85. (2.0 points- 0.2/ each).

Read the text and think of the word which best fits each gap.

Dealing with waste plastic

Every year people throw (76) _{…………………..} millions of tonnes of plastic bottles, boxes and wrapping. These create huge mountains of waste that are extremely hard to get (77) _{…………………..} of. Now a new recycling process promises to reduce this problem by turning old plastic (78) _{…………………..} new.

Scientists have taken a long time to develop their ideas because waste plastic has always been a bigger problem (79) _{…………………..} substances like waste paper, You can bury plastic, but it takes many years to break down. If you burn it, it just becomes another form of pollution. A (80) _{…………………..} products, for (81) _{…………………..}, bottles, can be re-used, but it is expensive or difficult to do this with a lot of plastic products.

Now a group of companies has developed a new method (82) _{…………………..} recycling that could save almost all plastic waste. Nearly every type of waste plastic can be used: it does (83) _{…………………..} have to be sorted. In addition, labels and ink may be left on the products. Everything is simply mixed together (84) _{…………………..} heated to more than 400 degrees centigrade (85) _{…………………..} that it melts. It is then cooled, producing a waxy substance that can be used to make new plastic products, including computer hardware.