answersLogoWhite

0


Best Answer

a ZIPPER is classed a a mechanical device. The operation of MIRVing the zipper up and down the teeth causes wear just as if it were a moving part in an engine. As the wear increases the ability of the zip to stay up decreases as does the interlocking section of the teeth.

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why do zippers wear out?
Write your answer...
Submit
Still have questions?
magnify glass
imp