Ключевые слова: abstract, atom, background, biology, biotechnology, business, chemical, chemistry, connection, design, dna, doodle, drawing, education, element, experiment, flask, formula, geometric, graphic, hexagon, icon, illustration, lab, laboratory, medical, medicine, modern, molecular, molecule, paper, pattern, physics, research, school, science, scientific, seamless, shape, sketch, structure, symbol, technical, technology, template, test, texture, wallpaper, white,