behavior, effects, effect, behaviors, forces, force, behaviour, influence, disorders, activities, students, discharge, selection, elements, technologies, events, impact, consequences, tendencies, children, influences, tactics, potential, element, technology, change, changes, power, action, problems, factor, nature, innovation, event, actions, pupils, activity, child, student, factors, innovations, role, behaviours, disorder, patterns, acts, conduct, conflict, presence, aspects, voltage, emotions, coloration, boys, pattern, conflicts, incidents, strength, symptoms, movements, voices, adolescents, experiences, tendency, situations, discharges, practices, strikes, pressures, competition, protests, protest, demonstrations, strategies, impacts, violence, noise

least, non