an optical acid requires visible sound for mankind to waste
visible_light is not non_ionizing_radiation. sound is sound_property. optical_crown is not optical_glass. chlorosulfonic_acid is tangible_thing. visible_light is non_ionizing_radiation. parabolic_antenna is tangible_thing. chlorosulfonic_acid is not tangible_thing. optical_crown is optical_glass. visible_light is electromagnetic_radiation. visible_light is not electromagnetic_radiation.