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
16.04

Screw jack and hydraulic jack

one person lifts a wagon, a girder or the corner of a building

MakingYear 52Stands on 172 earlier

AWhat it needs

Needs 172 other products in all, 3 of them directly.

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