Sir mujhe Apse CNC VMC ki maintenance class leni hai with Practical cuz me daily Breakdown attend krta hu tukke maar maar kar but koi real me btane wala nhi hai ki ye kaise thik Hui or me doubt me rahta ja raha hu, apki har video me wo sare alarm hain jo main company me face kar raha hu but actual me jankari koi nahi de raha,meri jo problem hai company me wo sabka solution apki video me dekh raha hu but mere doubt avi v hain,plz sir reply jarur karna...