Ключевые слова: abstract, abstract background, abstract light, background, background technology, cable, cable lighting, cable wire, communication, communication cable, communication light, communication technology, communication wire, fiber, fiber cable, fiber optic, fiber optics, fiber technology, light, light background, light cable, light communication, light technology, lighting, optic lighting, optical, optical communication, optical fiber, optical lighting, optical wire, optics, technology, technology background, technology wire, wire, wire background, wire light,