Ключевые слова: apartment, arrangement, background, bill, box, business, cabinet, communication, company, condominium, confidentiality, contact, container, corporation, delivery, deposit, door, ems, envelope, faculty, individual, interior, key, lattice, letter, letterbox, lock, locker, mail, mailbox, marker, message, modern, notice, office, old, post, postage, postal, postbox, privacy, safe, security, sign, texture, urban, wall, wood, wooden,