all inanimate nothing are made of equipment according to the room proven
metal is not inanimate_object. material is not equipment. artifact is not inanimate_object. natural_inanimate_thing is not inanimate_object. plastic is not inanimate_object. paper is not inanimate_object. powder is not inanimate_object. natural_inanimate_thing is inanimate_object. artifact is inanimate_object. meat is not inanimate_object.