Ключевые слова: asphalt, building, closeup, cold, conditions, covered, danger, deicing, footpath, frost, granules, house, ice, icing, icy, icy road salt, maintenance, melt, outdoor, pathway, pavement, pedestrian, reagents, risk, road, roadway, safe, safety, salt, salted, seasonal, selective focus, service, sidewalk, slippery, snow, snowdrift, snowfall, snowy, spreading, street, surface, technical salt, trail, trees, weather, white, winter, winter day,