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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.
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What shoes did the women wear in the 1930's?
They were called zippers they were rubber boots
Something you wear beginning with the letter Z?
Zippers, zebra-pattern jacket, zebra pattern stuff.
Why are there no zippers on Star Trek uniforms?
The zippers are on the back.
Which came first the zipper or velcro?
Zippers
Does swimming trunks have zippers?
No. Pull ons. Zippers rust.
Why do womans zippers on left hand?
Zippers don't have a 'hand'.
How many zippers did MJ have on his thriller jacket?
There were 11 zippers on the jacket
What types of clothing are the easiest for your child to deal with at school when you're not there to help them with them?
You want to choose tops without buttons, hooks or zippers; pants or skirts with elastic waistbands or velcro closures, outer wear should also have velcro rather than buttons or zippers.
When was Squirrel Nut Zippers created?
Squirrel Nut Zippers was created in 1993.
What were zippers first used for?
The first zippers, dating back to about 1913, were used for fastening boots and shoes. Zippers were not used on clothing until the 1930's.
How do zippers make life easier?
You don't have to replace zippers like you have to replace buttons
What are the advantages of zippers?
Some advantages of zippers are they are quick and easy to use. Zippers are great for covering things that don't need to be seen. They help enclose object as well.
