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The Ridge Tool Company is an American manufacturing company that makes and distributes tools under the Ridgid brand name. The company was founded in 1923 in North Ridgeville, Ohio . [ 1 ] In 1943, it relocated to its current location in Elyria, Ohio , and in 1966, it became a wholly owned subsidiary of Emerson Electric .
Shop-Vac was founded by Martin Miller in 1953 under Craft Tool Company of New York. Miller wanted to replace the broom and dust pan in his workshop with a vacuum cleaner capable of collecting wood and metal chips too large for a conventional machine.
Operative vaginal delivery, also known as assisted or instrumental vaginal delivery, is a vaginal delivery that is assisted by the use of forceps or a vacuum extractor. [ 1 ] Operative vaginal delivery is required in times of maternal or fetal distress to assist in childbirth as an alternative to caesarean section . [ 2 ]
Vacuum extraction (VE), also known as ventouse, is a method to assist delivery of a baby using a vacuum device. It is used in the second stage of labor if it has not progressed adequately. It may be an alternative to a forceps delivery and caesarean section .
A vacuum coffee maker. Industrial design-classic by Abram Games. A vacuum coffee maker brews coffee using two chambers where vapor pressure and gravity produce coffee.This type of coffee maker is also known as vac pot, siphon or syphon coffee maker, and was invented by Loeff of Berlin in the 1830s.