Ключевые слова: beware, caution, chainlink, chalk, chalky, clouds, danger, dangerous, earth, excavation, fence, forbidden, geologic, geological, hazard, horizon, industrial, industry, marble, mine, mining, old, open pit, pit, production, quarry, risk, rock, rocky, safety, security, sign, sky, stone, trespass, trespassing, view, warn, warning, white,