Ключевые слова: advertisement, background, banner, billboard, blank, board, boardroom, border, business, canvas, chart, communication, conference, corporate, design, display, document, easel, education, empty, equipment, flat, flip, flipchart, frame, icon, illustration, information, meeting, office, paper, presentation, projection, projector, school, screen, seminar, space, stand, success, teaching, template, tool, tripod, tutorial, university, white, whiteboard, work,