Be careful working on these. I was going to climb down off the truck and as I got to the edge I rolled my ankle. As I was falling I spun to catch myself with my arms and I caught the air compressor with my face. I wont go into detail, but isn't there a saying "If there was no blood the job was not done right" or something like that. I was back out there after 30 minutes of cleanup, the wife thought I should have been in the hospital.