if a process converts something into something else then that something has the role of raw material in that process
baking is creating_from_raw_materials. raw_material is material. fabrication is creating_from_raw_materials. construction is creating_from_raw_materials. raw_materials is resource. materials is materials. lamination is creating_from_raw_materials. molding is creating_from_raw_materials. creating_from_raw_materials is creation. raw_materials is tangible_thing.