Ключевые слова: bin, box, city, container, dirt, furniture, grit, hazard, ice, injury, maintenance, melt, melting, mixture, outdoor, pavement, pedestrian, prevention, public, risk, road, safe, salt, sand, sandbox, sanding, sidewalk, slip, slippery, snow, snowfall, snowy, sprinkle, stain, street, surface, thaw, traction, treatment, walk, walkway, way, weather, winter,