Ключевые слова: architect, architecture, background, build, builder, cement, concrete, connection, construction, contractor, corporate, crane, dangers, engineer, engineering, foothold, girder, house, housing, industrial, iron, joint, junction, ladders, lattice, lime, mason, mechanics, metal, occupation, offices, outline, overbuilding, pattern, poles, risk, safety, scaffold, scaffolding, site, steel, surveyor, textures, tools, truss, unstable, work,