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Creative ideas concept. Bulb light and symbols of business innovation.Invention development to success, vector illustration.
Unrecognizable young woman working in blurry office with double exposure of idea interface. Toned image
The invention of a shovel with a wheel
pencil and a slide rule on the old page with the calculations in mechanics
Vintage drawing of a Gasoline twin pistons boat engine from the beginning of 20th century - Picture from Meyers Lexikon book (written in German language) published in 1908 Leipzig - Germany.

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