Ключевые слова: abstract, art, bolt, bright, cog, color, colorful, concept, contour, design, electric, electrical, electricity, electronic, element, energy, engine, engineering, flash, gear, glowing, graphic, icon, illustration, industrial, industry, isolated, light, lightning, line, linear, lineart, machine, mechanic, mechanical, mechanism, modern, neon, outline, power, sign, symbol, tech, technology, thunder, wheel,