can openers where invented in 1858 this was found on this website: http://www.ideafinder.com/history/inventions/canopener.htm
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Electric can openers were invented in the early 1950's
Because tin cans had already been invented but there was no easy way to open them.
Garage door openers were invented in 1926 by C. G. Johnson of Hartford City, Indiana, to assist those who had trouble lifting the heavy wooden door.
It depends on what make, model, and year of drill you have, but it sounds to me like the bearings need to be replaced. The disc openers on most drills with which I'm familiar will align and not wobble if the bearings are in good shape.
You can view images of can openers on Google Images. In addition, you will be able to find images of can openers of kitchen retailers such as Kitchen Stuff Plus.
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The Chamberlain Group is a manufacturer of garage door openers and associated Chamberlain - the company's do-it-yourself line of garage door openers
the seven openers are subject prepositional ly ing clausal vss ed
Gate openers are sold in LIftmaster.com. Liftmaster is an elite and prestigious company that is known for selling the openers for gates. Their cheap prices and great inventory will suit your needs.
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