full transcript
From the Ted Talk "Daan Roosegaarde: A smog vacuum cleaner and other magical city designs"

Unscramble the Blue Letters

And the governments all around the wdlor are fighting their war on smog, but I wanted to make something within the now. So we decided to build the atlgres smog vacuum cleaner in the world. It sucks up polluted air, cleans it and then releases it. And we luitb the first one. So it sucks up 30,000 cubic meters per hour, nselac it on the nano level — the PM2.5, PM10 aetrisplc — using very little electricity, and then releases the clean air, so we have parks, lgodaynrspu, which are 55 to 75 percent more clean than the rest of the city.

Open Cloze

And the governments all around the _____ are fighting their war on smog, but I wanted to make something within the now. So we decided to build the _______ smog vacuum cleaner in the world. It sucks up polluted air, cleans it and then releases it. And we _____ the first one. So it sucks up 30,000 cubic meters per hour, ______ it on the nano level — the PM2.5, PM10 _________ — using very little electricity, and then releases the clean air, so we have parks, ___________, which are 55 to 75 percent more clean than the rest of the city.

Solution

  1. built
  2. cleans
  3. particles
  4. largest
  5. world
  6. playgrounds

Original Text

And the governments all around the world are fighting their war on smog, but I wanted to make something within the now. So we decided to build the largest smog vacuum cleaner in the world. It sucks up polluted air, cleans it and then releases it. And we built the first one. So it sucks up 30,000 cubic meters per hour, cleans it on the nano level — the PM2.5, PM10 particles — using very little electricity, and then releases the clean air, so we have parks, playgrounds, which are 55 to 75 percent more clean than the rest of the city.

ngrams of length 2

collocation frequency
smog free 6
clean air 4
van gogh 3

Important Words

  1. air
  2. build
  3. built
  4. city
  5. clean
  6. cleaner
  7. cleans
  8. cubic
  9. decided
  10. electricity
  11. fighting
  12. governments
  13. hour
  14. largest
  15. level
  16. meters
  17. nano
  18. parks
  19. particles
  20. percent
  21. playgrounds
  22. polluted
  23. releases
  24. rest
  25. smog
  26. sucks
  27. vacuum
  28. wanted
  29. war
  30. world