Translations:Steel making/56/en
From Vintage Story Wiki
The cementation furnace is a multiblock structure that needs to be built in a specific way to ensure it is functioning as intended. When starting the build of a furnace, the player can Shift+right click the stone coffin with coal or an empty hand to trigger a building help overlay. Shift+right clicking will additionally inform the player about the number of still missing or mis-placed blocks in the structure.