Waste incineration enables you to burn obsolete stuff to generate energy. Different types of ash remaining in this process can be smelted to regain some of the metals.
Mods introducing new content into the game.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022