Ключевые слова: activity, architecture, blue, build, built, concrete, construction, constructionsite, constructionworker, crane, danger, development, exterior, formworks, frame, gloves, group, hard, hardhat, hat, helmet, high, housing, industrial, industry, job, manual, men, metal, new, occupation, outdoor, people, profession, project, safety, scaffolding, silhouette, site, steel, structure, sunset, team, teamwork, tools, tower, wall, work, worker, working,