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51Water Park of America — Infobox Water park name = Water Park of America caption = North side of Water Park of America. Water slide tubes exit slide tower and re enter building. location = Bloomington location2 = Minnesota location3 = United States flagicon|USA… …
52Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
53river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
54test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
55List of Historic Mechanical Engineering Landmarks — The following is a list of Historic Mechanical Engineering Landmarks as designated by the American Society of Mechanical Engineers since it began the program in 1971. The designation is granted to existing artifacts or systems representing a… …
56Plastic — is the general common term for a wide range of synthetic or semisynthetic organic solid materials suitable for the manufacture of industrial products. Plastics are typically polymers of high molecular weight, and may contain other substances to… …
57Snowboard — A snowboard is a thin, hourglass shaped board ridden down a sloped section of earth covered in snow. It is often thought of as the winter equivalent of a wakeboard, as the rider s feet are bound to the board via bindings. Snowboards generally… …
58Carburetor — Bendix Technico (Stromberg) 1 barrel downdraft carburetor model BXUV 3, with nomenclature A carburetor (American spelling), carburettor, or carburetter (Commonwealth spelling) is a device that blends air and fuel for an internal combustion engine …
59Baryte — (barite) Baryte crystals on dolomite from Cumbria, England (size: 5.4×4.6 cm) General Category Sulfate mineral, barite group …
60Cartagena, Colombia — Infobox Settlement official name = Cartagena de Indias nickname = The Heroic City The Door of the Americas Capital of the Caribbean The Mother City The Walled City The Key of the West Indies The Fort of the Kingdom Best Fortified City of the… …
