Ключевые слова: arena, automobile, christmas, clean, cleaner, cleaning, cold, combine, driver, driving, equipment, field, fill, filling, freeze, frost, frozen, grinding, ice, icefilling, iceresurfacer, iceskating, machine, machinery, modern, new, park, preparation, professional, recreation, recreational, refrigeration, renew, restore, resurfacer, resurfacing, rink, service, skating, smooth, snow, stadium, stripping, surface, winter, worker, year,