Please make promise yourself- "I must limit my TIME on PDF" only 30 minutes per days!" easy?
More options availables:
-Get married with babe
-Get Full-Time jobs
-Get fired from job to make you realize
-Block website (PDF), available tools working well
-Spend more times with family/friends and avoid addiciting stuffs
-Request Moderators to ban you
Just control your urges and find something better to do. Work keeps me busy enough to only allow me to visit occasionally and post only on topics that I find interesting. Divert your energy into something more productive. forums are for occasional interaction with other like minded people. If you find that your spending more than 1 hour per day on a forum, you really need to just unregister your account to stop it from escalating any further.
my teacher is discussing some diode, transistor type thing (micro-electronics) and i am active on
what mechanical engineers have to do with this subjects. Industries want an engineer who knows every thing so that they pay only one person not 2,3 or 4. Crazy people