I am not an electrician but I try to tell you what I understand. The grid has a frequency and this is 50hz at normal level. When there is to little the frequency drops and when there is to much it rises.

Thanks for your great videos, cause of you I got into investing in cryptos at the end of 2017 and I hopt the market will grow nearly as good as 2017. I think I will try Iota too, until now I got BTC, ETH

Hey, nice recipe, I will try it someday. My grandmother does something like that too. She fills the eggs with liverwurst from calf and chives with a sauce with sour cream, mayonnaise, little milk, salt

Hey, thanks for your nice Videos, I learned aot from you. Because of you I got here and I got some of my money into Bitcoin and Ethererum. I hope these cryptos will rise again and help the worls be a better