Ключевые слова: 1st class, 2nd class, box, card, close up, closeup, communication, deliver, delivered, delivering, delivery, detail, door, first class, insert, inserted, inserting, insertion, letter, letter box, letterbox, letters, mail, mailed, mailing, metal, metalic, metallic, post, post box, postbox, postcard, posted, posting, postman, postwoman, return, royal mail, second class, send, sender, sending, sent, snail mail, the, through, to, your,