curprev15:5715:57, 5 October 2012 Orladytalkcontribs 3,544 bytes−66 →Description: the trusses don't appear to have a lot to do with preventing sagging and swaying; this wording from a summary section of the HAER ref seems to have been taken out of contextundo
curprev15:5415:54, 5 October 2012 Orladytalkcontribs 3,610 bytes+86 added sentence; this date looks more authoritative than the one that was previously only in the categories; changed "Background" to "Description"undo