Related:
http://iran-worker.blogspot.de/2013/02/end-of-strike-at-safa-pipe-rolling.html
http://iran-worker.blogspot.com/2013/02/1200-workers-of-safa-rolling-and-pipe.html
http://iran-worker.blogspot.com/2012/11/strike-at-safa-and-saveh-pipe-rolling.html
http://iran-worker.blogspot.com/2012/12/workers-at-safa-pipe-rolling-and-saveh.html