Ключевые слова: anti, antislip sand, asphalt, autumn, background, calcium chloride, caustic, chemicals, chlorine, city, cold, conditions, cover, dirt, fall, fracture, gray, ground, ice, icing, injury, lighting, material, nature, outdoor, pavement, reagents, road, road construction, roadway icing, salt, sand, slippery, snow, street, sun, surface, texture, vs, vs ice, white, winter,