Written — Non-Metals
InventTable — WRITTEN ERA — Materials, non-Metals
Invention | Description | Year | Inventor | Country |
Clay tablets | writing medium | 3500 BCE | Mesopotamia | |
Plywood | layered wood | 3500 BCE | Egypt | |
Lubricating grease | used with sledge, axles | 3500 BCE | Mesopotamia | |
Glass | non blown glass | 3000 BCE | Lebanon, Middle East (22) | |
Hydraulic engineering | canals, wells, dams, aqueducts, dykes | 3000 BCE | Egypt, Mesopotamia, Indus River (14) | |
Stone ware | durable ceramic | 1400 BCE | China |