Ключевые слова: abstract, backgrounds, black color, blue, business, cable, circuit, closeup, color image, communication, computer network, concepts, connection technology equipment, dark, data, ferrite, global communications, gold colored, group of objects, human hand, ideas, in a row, inductance coil, industry, internet, macro, manufacturing, metal, no people, old, oldfashioned, part of, pcb, power, repairing electronics industry, retro styled, security, selective focus, single object, steel, strength, transformer, wealth, work tool, working, yellow,