upgrade buildings for scrap. passers will dispose of scrap, which can burn in a steel mill which will be next to the stove. Ironworks also to create the amount of money. difficulty may be such that it rarely passers will dispose of scrap, and in 20 out of scrap copper one. Level 1 upgrade will be available from 5 lvl, lvl 2 from 10lvl bad english sr ;c <3