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| Recycling steel cans Cans made of steel are very easy to remove from domestic rubbish because steel is the only common metal that is 1__________ to magnets. Many waste removal authorities have taken advantage of this fact and have 2__________ large magnets, which, to put it simply, pull all steel containers out of the general 3__________ rubbish. The system is known as 'magnetic 4__________' and it has two great advantages. Firstly, 5___________ most recycling schemes, the recycling of steel cans through 'magnetic extraction' requires almost no effort from the public. As long as you throw your used steel can into the rubbish bin, it will be collected and then the waste removal authority will do the rest. Other 6__________ cannot be recycled 7___________ the public collect the material and take it, usually by car, to a central collection point. This often uses up more energy in petrol than is eventually saved by recycling the material. 8___________, local authorities actually save public money through recovering used steel cans. Magnetic extraction equipment is simple and cheap, and the steel that has been saved is 9___________ to companies who re-use it for making new steel products. As the value of the metal is 10__________ than the cost of magnetic extraction, the process has financial benefits. So, magnetic recycling of steel cans from waste saves you time, effort and money, as well as saving energy for us all. | ATTRACT INSTALL HOUSE EXTRACT LIKE PACKAGE; LESS SECOND SELL GREAT |
SPEAKING
10 Work in pairs. Imagine you are guests on “National Geographic” channel. Prepare a short comment on advantages and disadvantages of one of the waste disposal methods given below and present your ideas. As a conclusion, come to an agreement about the most efficient methods of waste disposal.
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