Ключевые слова: architecture, building, city, clearing, collaboration, construction, development, dirt, engineering, environment, equipment, excavation, ground, growth, heavy machinery, helmet, high visibility, industry, infrastructure, labor, laborer, landscape, machinery, machinery operator, maintenance, management, observing, outdoor, planning, preparation, professional, progress, project, reliability, safety, safety vest, site, skills, structure, sunset, teamwork, tools, trench, urban, work, worker, workers, yellow,