Backed tools in hornfels (left) and dolerite (right).
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资源简介：
For hornels on the left: 1. Trapeze. 2,4,3,6 and 7. Segments. 5. Single truncation. For dolerite (on the right): 1,5,7 and 8.Segments. 2, 3, 4 and 6. Truncations.
创建时间：
2015-12-03
