Ключевые слова: abstract, background, building, cement, closeup, concrete, concrete pavement road construction, construction, crack, empty road, equipment, expansion, expansion joint, filler, floor, freeway, gray, grey, joint, landscape, line, longitudinal, material, old, outdoors, pavement, road, road concrete, sealant, site, space, street, structure, surface, technology, temperature, texture, urban, work,