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Top 101 Black Inventors & African American's Best Invention Ideas that Changed The World
become a multi-billion dollar industry, with most potato chips now mass-produced and sold in bags. 62. George Alcorn (1940 – present) – X-ray spectrometer George Alcorn is an impressive inventor who had
inventions
new products
product design and development
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Top 100 Sites for Free 3D Models and CAD Block Libraries
Wander Art Club 3DXO – Free 3D models Average Monthly Traffic: 87,400 Offering 182 free 3D models and 623 free textures, 3DXO’s library may not contain the biggest collection on the web. You can enter a keyword