Mtumiaji:John P. Sadowski (NIOSH)

Yaliyomo ya ukurasa hayatumiki katika lugha nyingine.
Kutoka Wikipedia, kamusi elezo huru

I am a Wikipedian-in-Residence at the U.S. National Institute for Occupational Safety and Health (NIOSH). My main user page can be found on English Wikipedia.

What you see on this page was copied from https://meta.wikimedia.org/wiki/User:John_P._Sadowski_(NIOSH).
Rudishwa kutoka "https://sw.wikipedia.org/wiki/Mtumiaji:John_P._Sadowski_(NIOSH)"