Part 2-Chapter 8.1-8.5

Part Ⅱ: Discovering hte Variety of Human Experience
Chapter Ⅷ:  How Did They Make and Use Tools? Technology
8.1 Unaltered Meterials: Stone ---- 00:00
8.2 Other Unaltered Materials ---- 52:36
8.3 Synthetic Materials ---- 75:52
8.4 Archaeometallurgy ---- 96:31
8.5 Summary ---- 120:55