I posted one of these links in another post but then thought they may be of use to others.
Keith
Kal Tire - Tire Wear Conditions (http://www.kaltire.com/index.php?page=tire-wear-conditions)
Tire Defects (Part-I) | Mechanics Hub | Heavy Equipment, Diesel Truck (http://www.mechanicshub.com/index.php?option=com_community&view=videos&task=video&userid=73&videoid=313&Itemid=92)
Howdy Keith, Great Links!!! Thanks for this...
Dave Abel