Thats right my first blast job was in 1973-the side of a brick building that needed prep for painting.i have a full time job in a Restoration Co that supplies labor for Disaster response. but I still like to blast and goose you guys when I think you need it LOL I am trying to get one of my sons interested in the business to no avail .I have done most of it and have seen the rest so lets all have a blast together!