Ключевые слова: address, apartment, array, box, cabinet, closed, communication, compartments, condominium, confidentiality, contact, correspondence, deliver, delivery, door, entrance, envelope, interior, key, letter, letterbox, lock, locker, mail, mailbox, many, message, number, numbered, pattern, post, postage, postal, postbox, privacy, protection, public, row, safe, safety, secure, security, shipping, spam, store, urban, wood, wooden,