Ключевые слова: bridge, build, cement, clean, cleaner, concrete, construction, contractor, corrosion, dirty, engineering, equipment, expertise, exterior, finishing, handwork, high, hose, industry, infrastructure, iron, jet, liquid, male, man, manual, nozzle, occupation, people, power, pressure, pump, reconstruction, renovation, restoration, site, skill, spray, steel, structure, surface, technology, tool, wash, washer, water, wet, wire, work, worker,