And instead of having one school bell that goes off once, have several smaller school bells that go off in different places and different times, distribute the traffic through the corridors."
I umjesto jednog snažnog školskog zvona, ugradite nekoliko manjih zvona koja se oglašavaju na različitim mjestima i u različitim trenucima, i tako rasporedite kretanje po hodnicima.&amp;quot;