Thank you very much for the response, Could you please tell me the name of the book or the link? I would really really appreciate if you make same tutorial in English language they are really informative :)
@@syedumaiz3988 it is a german book www.amazon.de/Tabellenbuch-L%C3%BCftung-Anlagentechnik-Ausbildung-Lernmaterialien/dp/3441921623 I am not sure if that helps for the US It is made from german ANSI