I have to agree with photoread4me
When someone ask for someone's help, you cannot public announce that you cannot help him, and tell him to get the other answers from the public, telling that you have your own life.
It is not nice to do this ... welding engineer asked for help from us, when he got the answers, then he says that you cannot help and went off. I am not trying to be a drama Queen, but I feel that photoread4me want to approach someone who is very experienced and share with each other with information that help each other. Instead he was told to get off.
I understood how other people feel, trying to find answers for a long time, being patience waiting for someone to help. It is not a nice feeling.