Ключевые слова: analysis, arrows, background, biology, black, chart, chemistry, color, concept, development, discovery, drawing, drawn, education, experiment, flowchart, geography, hand, idea, information, innovation, isolated, knowledge, lab, laboratory, measurement, multicolor, natural, newspaper, overlapped, paint, paper, physics, piece, plan, process, research, ripped, scheme, school, science, scientific, strategy, technology, text, texture, torn, white, word,