Ключевые слова: activity, architect, architectural, beams, builder, building, business, carpenter, carpentry, caucasian, constructing, construction, construction site, drill, engineering, frame, future, green building, hardhat, helmet, home, house, industry, job, joist, man, material, natural surroundings, occupation, outdoor, overalls, people, profession, screw, screwdriver, site, structure, sustainable, technician, technology, tool, unfinished, uniform, wall, wood, work, worker,