Ключевые слова: ae, art, brick, chemistry, choice, color, colorful, contour, design, document, drop, dropper, education, emblem, eraser, experiment, file, glowing, guide, icon, illustration, instrument, isolated, laboratory, light, line, linear, lineart, medical, medicine, neon, office, outline, paint, palette, pipette, print, rainbow, rubber, sample, school, sign, spectrum, symbol, test, tool, wall,