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131Occupy Wall Street — This article is about the protests in New York City. For the wider movement, see Occupy movement. Occupy Wall Street Part of the Occupy movement …
132Airfoil — An airfoil (in American English) or aerofoil (in British English) is the shape of a wing or blade (of a propeller, rotor or turbine) or sail as seen in cross section. An airfoil shaped body moved through a fluid produces a force perpendicular to… …
