Recycling and more
We need a possibility to reuse old materials. If you make copper slab, you can used it only for slab. It isn’t anymore copper and you cannot use it such way.
But why? Throw this slab is furnace and cook until tender.
This can be extrapolated to old wooden things - slabs, walls, stairs. Make sticks in Shatterer - it’s easy and useful.
As “fine gravel” I mean here blocks with this texture: