coiled catalyst are a mean of unwire
weir_dam is dam_with_uncontrolled_spillage. astatic_coils is coil. weir_dam is not dam_with_uncontrolled_spillage. uncocking is triggering_mechanism. uncocking is not triggering_mechanism. unleaded_gasoline is gasoline. uncus is not hook. rustproof is uncorrodable. uncus is hook. unbalancing is action.