Hi edge,
_please_, I mean __please__, for god's sake, stop posting all bold! It won't get you nowhere.
Please, fill out your profile, it's considered good habit in this forum. It makes sense too, because locks differ from country to country.
Please, read the FAQ at:
http://www.lockpicking101.com/viewforum.php?f=2
Please, make yourself known with the search button. I will answer most of your questions. E.g.: Tri Circle padlocks have been have been discussed several times. (a search for: "tricircle OR tri AND circle" returns 18 hits for me)
As The_Master has pointed out the MIT guide to lockpicking is a good point to start a lockpicking carea.
If you allready know how to pick locks please be more specific about your problems regarding this lock, else I'd suggest you read up on lockpicking in this forums. The
http://www.lockpicking101.com/viewforum.php?f=4 might be a good place to start, given you have read through the FAQ before.