challenge: What is the result of the technology developed by the Institute of Electrodynamics of the National Academy of Sciences of Ukraine for industrial production of power high-voltage cable-conductor products?
  
  A. Improving the durability of power high-voltage cable-conductor products by 20%
  B. Increasing the resistance to emergency electrical overloads by 1.5 times
  C. Decreasing the production cost of power high-voltage cable-conductor products by 30%
  D. Reducing the resistance to emergency electrical overloads by 50%
  Answer: 