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Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]
Caroline Hampton became the chief nurse of the operating room when Johns Hopkins Hospital opened in 1889. [5] When "in the winter of 1889 or 1890" she developed a skin reaction to mercuric chloride that was used for asepsis, William Halsted, soon-to-be her husband, asked the Goodyear Rubber Company to produce thin rubber gloves for her protection. [5]
Nitrile rubber was developed in 1931 at BASF and Bayer, then part of chemical conglomerate IG Farben. The first commercial production began in Germany in 1935. [2] [3] IG Farben plant under construction approximately 10 kilometres (6.2 mi) from Auschwitz, 1942. The Buna-Werke was a slave labor factory located near Auschwitz and
The structure of a nitrile: the functional group is highlighted blue. In organic chemistry, a nitrile is any organic compound that has a −C≡N functional group.The name of the compound is composed of a base, which includes the carbon of the −C≡N, suffixed with "nitrile", so for example CH 3 CH 2 C≡N is called "propionitrile" (or propanenitrile). [1]
Lined leather gloves may leave a print that is as unique as a human fingerprint. When discovered by authorities, latent fingerprints may also be recovered from the inside of these gloves. Thin, latex, rubber, plastic, vinyl or nitrile gloves: These gloves are worn by criminals because of their tight, thin fit that allows the hands to remain ...
In the mid-1980s, a maximum concentration of 0.1% in stay-on and rinse-off cosmetics was allowed. [1] It was discovered soon afterwards that it caused allergic contact dermatitis to people with eczema.