https://www.youtube.com/watch?v=ySuUZEjARPY
Live piuttosto interessante.
How to Achieve Proper Grounding - Rick Hartley - Expert Live Training (US)
Re: How to Achieve Proper Grounding - Rick Hartley - Expert Live Training (US)
che ne pensate di questi 2 video?
https://www.youtube.com/watch?v=H2eQc4DxK30
https://www.youtube.com/watch?v=nPx2iqmVAHY
https://www.youtube.com/watch?v=H2eQc4DxK30
https://www.youtube.com/watch?v=nPx2iqmVAHY
ciao marwatt