This may seem to be a strange question to be asking but the answer may determine the proper function and life span of your valves. I have recently been added to the list of unemployed musicians in the Branson, Missouri area. Our show season runs from March through December and due to the fact that we now have some time off, I thought it time to check the condition of my equipment. Due to the fact that I have been experiencing some problems with my first valve, I decided to look it over for any unusual wear or damage. Unfortunately…