Ключевые слова: art, background, brick, bulb, business, chemistry, contour, design, document, drop, dropper, element, energy, experiment, extension, file, focus, format, glass, glowing, icon, id, idea, illustration, instrument, isolated, laboratory, lamp, lens, light, line, linear, lineart, liquid, magnifying, medical, medicine, neon, outline, pipette, research, search, sign, speech, symbol, test, wall, web, zoom,