Lightbulbs, Refrigerators, Search engines, Smartphones, Dating apps, TVs, Email, Cars, ATMs, Airplanes, Digital cameras, Youtube, Facebook, COVID-19, Online shopping, Wheels, Printers, Trains, USB/Flash drives, Instant Coffee, Elevators, Google Translate.
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EC I1 M2 5B Used to: How did they change the world?
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Trevora
I1 Intermediate
used to
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