Ключевые слова: arm, ballpoint, bulb, business, caucasian, concept, correspondence, drawing, education, empty, finger, hand, handwriting, holding, human, idea, isolated, lamp, letter, lightbulb, male, memo, men, message, metal, note, object, one, paper, paperwork, pen, person, school, sign, signature, silver, sketching, solution, steel, studying, success, symbol, white, write,