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Alphabet — Metals

InventTable — ALPHABET ERA — Materials, metals

InventionDescriptionYearInventorCountry
Buckle metal 700 BCE Greece
Metal boat anchor 600 BCE Greece
Wootz crucible steel Damascus steel 600 BCE South India
Chain mail metal 400 BCE Romania
Gears metal and wood 350 BCE China
Ball bearing metal and wood 40 AD Rome
Metal fork hygiene utensil 300 AD Rome
Paired metal stirrups require a saddle to attach 300 AD China (62)

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