Ключевые слова: answer, ask, asked, assist, assistance, black, blackboard, board, chalk, chalkboard, class, draw, drawing, education, faq, font, frequent, frequently, hand, handwriting, handwritten, help, info, knowledge, learn, learning, letter, problem, question, questions, school, search, solution, study, support, symbol, table, teaching, text, white, why, wooden, word, write, writing,