Hey. I have separated the technologies of a steel furnace and an electric furnace. The Steel Furnace is now researched earlier, and the research of the Electric Furnace is dependent on the Steel Furnace.
And also added a Russian translation
https://drive.google.com/file/d/17gi41LrBDincv6Fdkj8Cfc4oNkkU2eO3/view?usp=sharing