Ключевые слова: architect, architectural, architecture, builder, builders, building, building material, building materials, building site, cement, cement mixer, cement mixers, column, columnar, columns, concrete, concrete mixer, concrete mixers, construct, construction, construction worker, construction workers, crane, cranes, design, factory worker, factory workers, helmet, machine, machines, people, pillar, pillars, shape, shapes, silhouette, silhouetted, silhouettes, structure, worker, workers,