Other Help Topics :: Coaster Toaser
If you ever made a coaster and wondered why, you should have a look here.
http://www.cdrfaq.org/faq02.html#top
Some Coasters can be reused.
I recomend reading sections 2-5, 2-9,2-12,2-19,2-22,2-27 and 2-28
WARNING
This is some Heavy Reading!
Hope this helps.
original here.