Ключевые слова: architecture, building, city, concept, construction, crane, design, development, different, drawing, engineer, engineering, equipment, flat, freedom, geometric design, hard hat, helmet, human, illustration, industrial, industry, international, job, labor, labour, labour day, machinery, male, mechanic, modern, modern art, occupation, person, profession, professional, project, stand, structure, sun, technology, urban, urban growth, work, worker, world,