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The refrigerator (fridge) was invented to keep food cold so that the food will not rot.
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The first car (automobile) was invented to transport people from one place to another without them having to walk, which saves a lot of time.
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The computer was first invented to replace humans in working, therefore avoiding human error. Nowadays, it is used for many purposes, such as entertainment, socializing, researching etc.
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The telephone is invented to communicate with people who are a long distance away from the user of the telephone.
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The air conditioner (AC) was invented to lower the air temperate of an indoor area.
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The television (TV) was invented to enable people to be able to watch programs that entertains or informs people.
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The microwave was invented to heat food up before consuming.
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The game console was invented to entertain people.
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The smartphone originated from the telephone, but with more features apart from calling other people, such as entertainment, browsing the web, storing information etc.
