Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 05 — Copper and bronze  /  About year 3
05.28

Soft solder and soldering

joins metal without melting it

MakingYear 3Stands on 46 earlier

AWhat it needs

Needs 46 other products in all, 3 of them directly.

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