Ключевые слова: architecture, bluecollar, building, carpentry, commercial, construction, contractor, craftsmanship, development, employment, engineering, equipment, erecting, facade, framework, growth, helmet, improvement, industry, installation, investment, jobsite, labor, manual, outdoor, planning, precision, productivity, professional, project, realestate, renovation, residential, safety, scaffolding, site, skill, structure, technique, urban, wood, worker, workforce, workman,