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A bell-shaped cup made from latex. Early cups were made from latex manufactured from plant sap (usually gutta-percha or indiarubber). Latex is biodegradable. Latex allergy is common; around 4% of the general population worldwide has it, and repeated exposure makes a person more likely to develop it. [129]
Born in the early 1900s, Chalmers invented the menstrual cup out of a passion for bettering women's sexual health. Chalmers created her first version of the menstrual cup in 1937, shortly after the invention of the tampon. She sought to create a reusable menstrual product to compete with the existing disposable menstrual products on the market.
A cup is an open-top vessel (container) used to hold liquids for drinking, typically with a flattened hemispherical shape, and often with a capacity of about 100–250 millilitres (3–8 US fl oz). [1] [2] Cups may be made of pottery (including porcelain), glass, metal, [3] wood, stone, polystyrene, plastic, lacquerware, or other
A mug made on a potter's wheel in the Late Neolithic Period (c. 2500 –2000 BCE) in Zhengzhou, China. Though today mugs are associated with hot drinks, milk and soft drinks, many early mugs appear to have been mostly used for beer or other alcoholic drinks, and were often larger than modern mugs.
The sippy cup, training cup (American English) or beaker (British English) is a modern drinking cup designed for toddlers which prevents or reduces spills. Sippy cups, as opposed to an open cup , have a top which prevents spills, and the child drinks either through a spout or straw.
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Marion O'Brien Donovan (October 15, 1917 – November 4, 1998) was an American inventor and entrepreneur.Recognized as one of the era's most prominent female inventors, [1] she secured a total of 20 patents for her creations.
But he made one significant change that went largely unnoticed by the medical community: he erased the clitoris. Dr. Carmine D. Clemente, the editor who followed Goss, is in his 80s. In a phone interview, he said that in his experience with Lea & Febiger, Gray’s storied American publisher, the editor of each edition was granted full editorial ...