- The essence of rectification is countercurrent mass and heat exchange between steam and liquid. This allows the double or multicomponent mixtures to be separated. And get... - The gaze of a bald old man with the nickname "Professor Preobrazhensky" above his head rests straight against you. - Get pure alcohol. No, I'm not greedy... Ok then! I'm an alcoholic! But that doesn't stop me being human. I said man! The old man takes a couple of steps back and proudly says: - If all my scientific works and titles cannot get me out of here, I will not give up. I will turn this world around, I will drink on the bruderschaft with the devil himself, I will win this damn tournament, but you yourself will come to me and say "Gomelev is a man!" In my eyes.