Ключевые слова: building, construction, construction site, crude oil, dig, digger, dirt, drainage, drainage pipe, earth, equipment, excavation, excavator, foundation, geology, ground, heavy, industrial, industry, loader, mining, natural gas, open pit, open pit mine, pipeline, pit, quarry, repair, repair work, replacement, sand, sanitary sewer, sewage, sewer pipes, sewerage, shovel, site, sky, soil, storm, sunset, trench, vehicle, water main,