inanimate nothing all require matter for membrane
metal is inanimate_object. impure_compound is inanimate_object. natural_inanimate_thing is inanimate_object. semiconductor_wafer_layer is inanimate_object. paper is inanimate_object. phosphate is inanimate_object. ionic_compound is inanimate_object. rubber is inanimate_object. inorganic_substance is inanimate_object. particle is inanimate_object.