Ключевые слова: beam, board, carpentry, ceiling, construction, construction frame, design, development, frame, framework, house, housing, industry, installation, interior, lumber, rafter, rafters, renovation, repair, residential, ridge beam, roof, roof construction, roof covering, roof framing, roofer, roofing, roofing construction, rooftop, timber, truss, truss plates, truss rafters, trusses, unfinished, wall, wood, wooden beams, wooden rafters, wooden skeleton, wooden support, wooden trusses, woodwork,