Ключевые слова: address, advertising, apartment, background, box, building, business, communication, compartments, condominium, correspondence, deliver, delivery, design, entrance, house, interior, key, letter, letterbox, letters, lock, mail, mailbox, many, message, metal, modern, numbered, object, office, open, paper, post, postage, postal, postbox, receive, row, security, send, service, shelf, shipping, slot, spam, texture, wall, wood, wooden,