This reflex is quick enough to shield you from practically all the loud sounds that occur in nature, although not from all those produced by mechanical and electronic equipment.
See refleks toimib piisavalt kiiresti, kaitsmaks meid praktiliselt kõigi looduses ettetulevate valjude helide eest, kuid mitte kõigi mehhaaniliste ning elektrooniliste seadeldiste müra eest.