Jukka-Pekka Mäkinen: Change in grid connection 09.01.2010 httpv://www.youtube.com/watch?v=4cuuapZTRwA
Jukka-Pekka Mäkinen: Welcome to follow The Switch 09.12.2009 httpv://www.youtube.com/watch?v=MKXEt-4-j0A