STrRedWolf wrote: ↑Fri Jun 02, 2023 8:40 am There is, and there isn't. Folks leave with that knowledge and never write it down or pass it on. Organizations also get out of the industry. Remember Budd? After taking a soaking on MTA Maryland's subway cars, they got out.The thinking appears to be. Those past idiots did not know this newly invented wheel will solve all those past problems. Guess what new wheel does not work.