Next they electricity washed using 250 degree incredibly hot h2o, that's in itself an unbelievable cleaner. A next application was used for the greater stubborn graffiti, then energy washed all over again applying 250 degree warm h2o. If you do not want to just accept cookies from this Internet site, http://mariojedav.ampblogs.com/Detailed-Notes-on-Graffiti-Removal-25203678