300 RUM said:I think the best way to look at it is with the approach that there are so many variables , and if 1 could actually discover a good cause such as a corrosive
Ness or other containment then 1 can simply avoid that particular process use gloves for example
This is exactly correct!
Although there are likely more than one possible reason for the hard seating and popping sound, we will never get ahead in terms of understanding what is happening and how to avoid it if someone does not do careful studies to find out.
All troubleshooting strategies should assuming that there is more than one problem lurking, but finding each one and eliminating them one at a time is how progress is made.