El freno means brakes and they make a squealing noises when they are broke.
Answer:
1. para
2.para
3. para
4. por
5. para
6. 7. 8. por
9. por
10. para
11. por
12. para
13. por
14. por
15. por
16. para
Explanation:
You just have to see which one makes most sense in spanish. Make sure to use the one that fits best, even if both fit.
