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71Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
72O-ring — This article is about the mechanical seal. For other uses, see Oring. Typical O ring and application An O ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc… …
73Metrication controversy — The introduction of the metric system has faced some opposition in a number of countries over the past two centuries. Based on a previous U.S. Metric Association and recent CIA survey it is commonly cited that only the United States of America,… …
74Web banner — Internet marketing Display advertising Email marketing E mail marketing software Interactive advertising …
75United States Postal Service — This article is about the government agency. For individual post offices, see U.S. Post Office (disambiguation). For the cycling team, see Discovery Channel Pro Cycling Team. USPS redirects here. For the non profit boating safety and education… …
76Watercolor painting — For other uses, see Watercolors (disambiguation). An artist working on a watercolor using a round brush Watercolor (US) or watercolour (UK and Commonwealth), also aquarelle from French, is a painting method. A watercolor is the …
77Scale model — A scale model of the Tower of London. This model can be found inside the tower …
78Australasian snapper — Australasian snapper, Pagrus auratus, at Melbourne Aquarium. Scientific classification Kingdom …
79map — mappable, adj. mapper, n. /map/, n., v., mapped, mapping. n. 1. a representation, usually on a flat surface, as of the features of an area of the earth or a portion of the heavens, showing them in their respective forms, sizes, and relationships… …
80Wright, Wilbur and Orville — ▪ American aviators Introduction also called Wright brothers Respectively, born April 16, 1867, near Millville, Indiana, U.S. died May 30, 1912, Dayton, Ohio born August 19, 1871, Dayton died January 30, 1948, Dayton American (United… …
