Ключевые слова: active, area, assembly, beams, building, collaboration, construction, craftsmanship, daytime, design, engineering, environment, equipment, ethic, framework, gear, hard, hats, industry, infrastructure, job, labor, management, manual, materials, organization, overhead, planning, productivity, professional, resources, responsibility, safety, site, skilled, structure, teamwork, tools, view, wood, wooden, work, workers,