Ключевые слова: advertising, advertising blank, advertising space, announcement, back to school, billboard, blank, bulletin, business, cardboard, clipboard, communication, creative, education, elementary, empty, frame, information, knowledge, label, memo, message, note, note paper, notice, noticeboard, office, paper, pinboard, post, ripped paper, school, science, sign, student, teacher, tear, teared, textured, torn, torn paper, welcome,