Are metal zippers better than plastic?

Related questions

1. Is YKK the only zipper company?
2. How do I know what size zipper to buy?
3. How long is a skirt zipper?
4. What is a zipper head called?
5. What is the bottom of a zip called?
6. Are YKK zippers good?
7. How much is YKK worth?
8. Does Nike use YKK zippers?
9. What does #5 zipper mean?
10. Does Louis Vuitton use YKK zippers?

Tags

1. #break
2. #completely
3. #metal
4. #rarely
5. #coiled
6. #zipper
7. #cannot
8. #permanently
9. #horizontal
10. #zippers
11. #withstand
12. #plastic
13. #durable
14. #teeth
15. #stretches
16. #replacing
17. #flexible
18. #fixed