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Task 2: Look at these inventions. 1) Decide on their merits and which one has contributed most to society. 2) Choose 3 best and worst inventions. 3) Add 2 good and 2 bad ones that are not on the list:radio, bicycle, plastic bag, computer, penicillin, tetra-pak carton, Internet, light bulb, car alarm, telephone, mobile phone, television, nuclear energy, 3D printer ................
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