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The humble suction cup rarely receives the attention it deserves as a modern invention. Before the invention of the suction cup, attaching something to a flat vertical surface usually involved driving a nail into the surface or using a permanent adhesive like glue. With the invention of the regular passive suction cup, however, people now had a way..
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Pneumatic systems are the mechanisms used for moving cylinder, engine, or other mechanical components using gas or pressurized air. A broad range of companies, including production, medicinal services, mining, car industry, and many others, are used in pneumatic applications. Explicit pneumatic uses can include:
Transportation: Air brakes for tr..
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