; copper knife can be disassembled to obtain the following components.

Tools required:
> 1 tool with hammering quality of 1
> hotplate (10 charges) OR charcoal smoker (10 charges) OR integrated toolset (10 charges) OR nearby fire OR charcoal cooker (10 charges) OR chemistry set (10 charges) OR gasoline cooker (10 charges) OR mess kit (10 charges) OR military mess kit (10 charges) OR lamp oil cooker (10 charges) OR soda can stove kit (10 charges) OR survivor mess kit (10 charges)
Components obtained:
> 1x rag OR 1x felt patch OR 50x duct tape OR 2x small string OR 4x withered plant OR 4x pile of straw OR 50x thread OR 50x sinew OR 50x plant fiber OR 50x yarn
> 2x scrap copper OR 200x copper

Note: Components obtained yield only one component per group, if the item was crafted, it yields the component used, otherwise it yields the first component.