get your acid on the floor

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Across
  1. 3. what companies need to take the pollution out of
  2. 4. what cars give off
  3. 7. the year that companies started to make rules
  4. 8. what was placed on the edges of what bodies
Down
  1. 1. rain befor it liquefies
  2. 2. people, cars and machines cause this
  3. 3. water related man caused disaster
  4. 5. this spreads the pollution by blowing in the air
  5. 6. what the lime will hurt