STEEL PLANT

As the shelter grows ordinary wood can no longer meet the demands or higher-level structures. The Steel Plant smelts high-strength steel - an indispensable resource for further upgrading and reinforcing buildings.


UPGRADES

Level Food/Wood Zent Time Prerequisite Steel Output/h
1 230
2 245
3 260
4 275
5 290
6 305
7 320
8 335
9 350
10 365
11 380
12 395
13 410
14 425
15 440
16 455
17 470
18 485
19 500
20 525
21 550
22 575
23 600
24 625
25 650
26 675
27 700
28 725
29 750
30 775
31 800
32 825
33 850
34 875
35 900

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