Ключевые слова: activity, asphalt, asphalting, background, bitumen, black, boiling, bucket, building, chemical, city, closeup, construction, crude, danger, dirty, equipment, highway, home, hot, industrial, industry, labor, liquid, machinery, maintenance, material, molten, mop, new, pattern, pavement, paving, pollution, renewal, repair, road, roof, rooftop, rough, seal, steam, street, surface, tar, tool, transportation, urban, vehicle, work,