How it is made
| Machine | Takes | Makes | Time | Per machine, a day |
|---|---|---|---|---|
 Mixer ★ |  1 × Cement  2 × Gravel  1 × Water |  2 × Concrete | 4 s | 120 concrete |
The chain behind one unit
From the land, one unit takes 1 stone, 0.5 water: $15 of raw goods, against a worth of $66.02.
What it is used for
| Machine | Takes | Makes | Time | Per machine, a day |
|---|---|---|---|---|
 Assembler | 6 × Concrete  2 × Steel beams  2 × Sheet steel |  1 × Bunker kit | 20 s | 12 bunker kit |
Selling it
- On the players' market, from or into your storage; the seller pays a 3% fee.
- To towns of level 3 and up, within 30 km of your storage: L3 $83.52 · L4 $87.31 · L5 $91.11 a unit.
Keeping it
Steel, building materials, cars and defences are kept in:
By rail it rides in flat wagons.