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Technology: Machine Tools and Operations. Boca Raton: CRC Press. p. 1. ISBN 978-1420043396. "Human Ancestors Hall: Homo sapiens". Smithsonian Institution. Archived...47 KB (4,605 words) - 20:48, 25 April 2024
 | Technology: Machine Tools and Operations. Boca Raton: CRC Press. p. 1. ISBN 978-1420043396. "Human Ancestors Hall: Homo sapiens". Smithsonian Institution. Archived... 47 KB (4,605 words) - 20:48, 25 April 2024 |