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bur |
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bur or burr, popular name for fruits that have barbed, pointed, or rough outgrowths. By clinging to the fur or hair of animals and the clothing of man they are transported from the parent plant, often great distances. Some common burs include those of the chestnut, burdock, bur marigold, and cocklebur. Burs are particularly obnoxious to sheep growers because of the difficulty of removing them from wool. burr1, bur 1. a washer fitting around the end of a rivet 2. a blank punched out of sheet metal burr2, buhr, bur 1. short for buhrstone 2. a mass of hard siliceous rock surrounded by softer rock How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The Hicoat tungsten carbide burs offer superior chip removal, reduced tool wear, and lower heat loads when working on metals, such as hardened, heat-treated steels and heat-resistant alloys such as cast iron and soft, nonferrous metals. Prepare the teeth to be crowned using a #330 carbide bur to reduce the incisal edge by approximately 2 mm, open the interproximal contacts and remove decay (Figure 5). The new Grobet Bear carbide burs were developed especially for the welding and metal fabrication industries by Grobet USA. |
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