Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 11 — Glass, chemistry, petroleum, rubber and cement  /  About year 25
11.06

Goggles and dust masks

eyes and lungs protected at the grinder, the furnace and the acid bench

MakingYear 25Stands on 156 earlier

AWhat it needs

Needs 156 other products in all, 2 of them directly.

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