Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 10 — Blast furnace, coal, cast iron and rolling  /  About year 22
10.09

Pig iron ⚠

iron tapped as a liquid and run into sand channels

MakingYear 22Stands on 140 earlier

AWhat it needs

Needs 140 other products in all, 4 of them directly.

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