Ключевые слова: 3d, athletic, attention, authority, background, blow, blower, blue, button, championship, circle, coach, competition, design, element, equipment, exercise, fitness, flat, football, foul, game, goal, graphic, icon, illustration, isolated, isometric, judge, law, loud, object, police, referee, security, sign, signal, silhouette, single, soccer, sound, sport, symbol, tool, trainer, umpire, warning, whistle, white,