rethread tires

[cocoy]

Re-thread = lalaliman? Di ko alam ginagawa pala to. Is there enough rubber to make the threads deep again? Hope someone can clarify.

if you ever have the chance to check out truck tires. some have on the side wall written that it is re groovable.. i guess its a form of retreads.. check this link..
http://www.nebraskatire.com/tires_101/regroovable.htm