Ключевые слова: apartment, architecture, background, building, business, buy, buying, chain, closing, concept, concepts, conceptual, construction, estate, graphic, grey, home, house, housing, insurance, loan, lock, miniature, model, mortgage, new, nobody, padlock, plastic, property, protection, real, residential, rubber, safety, secure, security, sell, shape, small, structure, symbol, system, urban, white, window,