Ключевые слова: adult, backgrounds, blank, blue, business, caucasian, closeup, communication, communications, concepts, copy space, correspondence, data, delivering, document, email, envelope, finger, global, hand, handwriting, holding, human, indoors, internet, letter, macro, mail, mailbox, men, message, object, occupation, office, one, paper, person, putting, receiving, send, sending, single, stamp, table, technology, unrecognizable, women, working,