Ключевые слова: art, chemistry, choice, click, color, colorful, computer, contour, design, device, drawing, drop, dropper, eraser, experiment, game, gaming, gradient, guide, icon, illustration, instrument, internet, isolated, laboratory, line, linear, lineart, medical, medicine, mouse, object, office, optical, outline, paint, palette, pencil, pipette, rainbow, school, spectrum, swatch, symbol, technology, test, wheel,