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19 June 2015

18 March 2015

  • 09:3809:38, 18 March 2015 diff hist +289 N File:Supino O. Svizzera.jpg {{Information |Description ={{en|1=Swiss work permit}} {{it|1=Permesso di lavoro in Svizzera}} |Source =Governo svizzero |Author =Archivio |Date =1945-01-09 |Permission = |other_versions = }}

12 March 2012

24 January 2011

10 November 2010

31 March 2009

6 November 2008

5 November 2008

3 November 2008

31 October 2008

30 October 2008

25 October 2008

  • 06:5306:53, 25 October 2008 diff hist +368 N File:Romania 1.jpg {{Information |Description={{en|1=Application of an axial flow pump in a forced circulation evaporator}} |Source=Own work by uploader |Author=Ub |Date=2008 10 25 |Permission= |other_versions= }} <!--{{ImageUpload|full}}--> [[Category:Engineer
  • 06:5106:51, 25 October 2008 diff hist +375 N File:Oslo evaporator.JPG {{Information |Description={{en|1=An Oslo type forced circulation evaporator under hydraulic test}} |Source=Own work by uploader |Author=Ub |Date=2008 10 25 |Permission= |other_versions= }} <!--{{ImageUpload|full}}--> Category:Engineering

5 October 2008

  • 17:1617:16, 5 October 2008 diff hist +292 N File:Pneumatic Sym.png {{Information |Description={{en|1=Symbol for pneumatic operated valve on P&ID}} |Source=Own work by uploader |Author=Myself (Ub) |Date=2008 10 04 |Permission= |other_versions= }} <!--{{ImageUpload|full}}-->
  • 17:1417:14, 5 October 2008 diff hist +288 N File:Motor op Sym.png {{Information |Description={{en|1=Symbol for motor operated valve on P&ID}} |Source=own work by uploader |Author=Myself (Ub) |Date=2008 10 04 |Permission= |other_versions= }} <!--{{ImageUpload|full}}-->
  • 17:1317:13, 5 October 2008 diff hist +285 N File:Control valve (globe).PNG {{Information |Description={{en|1=Cross section of globe control valve}} |Source=Own work by uploader |Author=Myself (Ub) |Date=2008 10 04 |Permission= |other_versions= }} <!--{{ImageUpload|full}}-->
  • 17:1017:10, 5 October 2008 diff hist +272 N File:Valve Sym 1.png {{Information |Description={{en|1=Valve symbols for P&ID}} |Source=Own work |Author=Myself (Ub) |Date=2008 10 04 |Permission=None required |other_versions= }} <!--{{ImageUpload|full}}-->

3 October 2008

27 September 2008

26 September 2008

23 September 2008

29 August 2008

18 November 2007

1 May 2007

6 April 2007

  • 14:0814:08, 6 April 2007 diff hist +248 N File:NaOH Evaporator.jpg {{Information |Description=Image of a falling film evaporator for caustic soda |Source=N/A |Date=1986 approx. |Author=Ruben Castelnuovo (myself) |Permission=N/A |other_versions=N/A }}

21 February 2007

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