Ключевые слова: advertising, assortment, blank, business, communication, correspondence, delivery, direct, documents, empty, envelope, equipment, fiber, gum, hand, handle, heap, job, laser, letter, machine, mail, male, man, modern, office, overwrite, paper, pattern, person, photocopier, photocopy, pile, pile up, press, print, printer, professional, replace, replenish, samples, supply, technology, work, workshop,