Ключевые слова: background, board, chip, circuit, culture, digital, discovery, electric, electrical, electrical equipment, electronic, elementary age, engineering, equipment, hobbies, home interior, ic, industry, iron, laboratory, meter, microchip, microcircuit, model object, multi meter, multimeter, oscillograph, oscilloscope, plumb, printed, printed circuit board, refit, repair, reparation, science, scientific experiment, scope, service, solder, soldering, soldering iron, technician, technology, tool, unrecognizable person, wire,