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unit 4

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  • The invention allowed several industries to _____
    improve the products quality
  • But, it made the environment ______ for many people in the heat of summer.
    healthier
  • Which device was compared to the first housing air-conditioning?
    the computer
  • in the 40s and 50s, the purpose of the research was ____
    persuade the people to buy ACs
  • AC is a ______ in global warming
    factor
  • Their output increased by _________ when they worked in a cooler office.
    24%
  • Who is Willis Carrier?
    The AC inventor
  • home AC were not popular because they were ____
    too big and expensive
  • when was the first AC device installed in a private house?
    1914
  • What does Jed Brown say about air conditioning?
    it's good for people, but bad for environment
  • Who is Jed Brown?
    An environmentalist
  • When was the first AC unit designed?
    1902
  • The AC made it possible to _____ the temperatures and humidity
    control
  • the employers considered AC as a _________
    luxury
  • the aim of inventing an AC
    to solve problems in a factory
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