Sir,
among those "3rd Stage Guild Navigators" (i.e. "5 Diamond Owners") of this forum, there is one gentleman undoubtedly esteemed and appreciated due to his expertise and merits in here.
While reading your question and with all due respect, I wish, as this quote fits well to your question, to cite him as he did recently state in response to another post:
"What you're asking us to do for you is something that many of us are paid good money to produce so, don't expect much especially without any details, or not exhibiting an understanding of how to develop a WPS [...].
Now give us all of the details and we'll go from there but, you must do most of the work because all we can do is to guide you somewhat through your current dilemma...
So describe in absolute detail what you are doing."
So, what does that mean?
To get straight to the point, hopefully not missing it. Reading your post, according to its expressiveness, immediately raised my answer:
'A wire electrode'.
Understand?
Regards.