Vladimir Petrovich Kartsev. Adventures of great equations (№ 307827)
Everything in this world is moving, if the car of the tram, ships, locomotives, - all this moves not the electric power, coal, and our mind. Undoubtedly, without this, there would be no electricity.
№ 307827 Added
MegaMozg 14-11-2017 / 17:09
Leave a Comment: