1) What kind of invention is this? a) Vehicle b) Telecommunication system c) Optical instrument 2) What kind of invention is this? a) Vehicle b) Optical instrument c) Electrical appliance 3) What kind of invention is this? a) Electrical applicance b) Optical instrument c) Telecommunication system 4) What kind of invention is this? a) Telecommunication system b) Optical instrument c) Vehicle 5) What kind of invention is this? a) Vehicle b) Electrical appliance c) Optical instrument 6) What kind of invention is this? a) Optical instrument b) Telecommunication system c) Vehicle 7) What kind of invention is this? a) Optical instrument b) Vehicle c) Electrical appliance 8) What kind of invention is this? a) Vehicle b) Telecommunication system c) Electrical appliance 9) What kind of invention is this? a) Electrical appliance b) Optical instrument c) Telecommunication system 10) What kind of invention is this? a) Telecommunication system b) Optcial instrument c) Electrical appliance
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Classifying Modern Inventions
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