Hi, guys (& girls as applicable). My name is Bob and I am just starting on this board. I recently retired from the service where I worked in AC&R. I now work for a food service equipment service company as a tech. Ironically, when I first joined the Navy while I was in EN "A" school, we were all asked by the instructor what we wanted for experience out of the Navy. Eferyone, except me, said they wanted to become proficient in AC&R. I said that I wanted Heavy Diesel. Out of the 30 guys in my A school class, 14 went to main prop divisions, yet, I ended up in the AC&R shop on my first ship. I work on refrigeration, coolers, ice machines etc, and I really do enjoy it. Prior to retiring, I worked mostly with R-12(& lots of it), R-114, R-22 & R-134, while now I work with many others and no R-12. From this board I'm hoping to see what others are seeing in commercial (civilian) repair, new ideas, trouble shooting ideas and the latest in refrigeration service. Basically, I am thinking that by reading up on this board, I will see some of the problems and corrections to those problems, before I see them in the equipments I work on. I realize that I won't always see tomorrow's problems and answers on the board, before I face them at work, yet, I hope to get a good idea how others are doing things. Many practices that we have had simply don't work out here. You might notice that none of the Refrigerants that I listed as the ones I worked with are blended, and even after all these years, I am just now getting accustomed to charging everything as a liquid, vice a gas, for example, and the company that I work for doesn't replace start relays when they fail. We simply use the Hard Start, which I've only used for troubleshooting. Sorry to babble, but I am hoping to get as current and up to date as possible. Thanks for welcoming me.