Ключевые слова: beams, build, builder, business, carpenter, carpentry, caucasian, construction, contractor, cottage, craftsmanship, development, energy efficiency, environment, equipment, frame, hammer, hard hat, hardhat, helmet, home, house, incomplete, industrial, industry, instrument, labor, lumber, male, man, material, nail, new, people, project, real estate, residential, safety, site, structure, tool, truss, unfinished, vest, wooden, wooden frame, woodwork, work, worker,