Deletion of QA/QC (2nd nomination)

Comment: If it was an abbreviation for a topic covered in Wikipedia it would be a redirect, with no problem; it happens to be an abbreviation for a pair of topics (and heavily used, as ghits show), so this article is a sort of forked redirect, to point readers to the two articles on topics to which it refers. Useful. Nothing to gain in deleting it.  if necessary
Stance: keep
Cited policy: Wikipedia:Ignore all rules (WP:IAR)