Ключевые слова: abstract, abstraction, arc, background, ball, beam, beautiful, black, blue, bright, circle, color, colour, danger, dark, electric, electricity, electronics, energy, flame, flare, flash, fork, globe, glow, glowing, illumination, ion, isolated, lamp, laser, light, lightning, neon, night, plasma, power, ray, red, science, scientific, shock, spark, sparkle, sphere, tech, technology, toy, voltage,