Ключевые слова: address, advertising, apartment, background, box, boxes, business, communication, container, correspondence, defocused, delivery, filled, gray, grey, home, house, invasive, iron, letter, letterbox, lock, mail, mailbox, mailboxes, message, metal, metallic, modern, newspaper, not, office, post, postage, postal, postbox, residence, residential, row, rubbish, safety, security, send, shallow, trash, used,