6. fábricas
- factories
- fabrics
7. muy
- so
- very
- loads
8. contaminación
- pollution
- contamination
9. deberíamos
- I must
- we should
- I should
- we must
10. muchos
- too much
- a lot of
- so much
11. mucho
- so much
- many
- a lot
- a lot of..
12. se debe
- you must
- you should