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| Do you know how to manufacture a biface? |
| Just in case you don't know, a biface is a stone age tool. If you don't know how to make one, maybe you know how to forge damascus steel? No? How about using a slide ruler? A sextant? How about steering a horse carriage ...[more] |
| science publishing journals telegraph biface |
| Posted on Wednesday 02 September 2009 - 14:49:10 |





