sentences: using a raw material sometimes requires absorbing that raw material
docs: baking is creating_from_raw_materials. raw_material is material. raw_materials is resource. construction is creating_from_raw_materials. packing_material is material. raw_materials is industrial_equipment. molding is creating_from_raw_materials. recycling is material. creating_from_raw_materials is creation. raw_materials is tangible_thing.