Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 16 — The builder's tools: spanners, pneumatic hammer and construction crane  /  About year 52
16.07

Safety helmet and harness

a hard hat against what falls, a belt and line against falling

MakingYear 52Stands on 211 earlier

AWhat it needs

Needs 211 other products in all, 6 of them directly.

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