Ключевые слова: activities, activity, agricultural machinery, arena, auto, automobile, backgrounds, car, change, clean, cleaner, cleaning, cleaning ice, cleaning products, close up, closeup, cold, copy space, empty, free space, frost, hockey, ice, ice rink, ice skating, leisure, machine, preparation, resurfacing, rink, skating, skating rink, sport, surface, wet, winter, winter sport,