https://www.youtube.com/watch?v=GXwQSCStRaw
origin - http://www.pipiscrew.com/2017/05/server-room-with-seismic-isolation-floor-in-japan-earthquake-disaster/ server-room-with-seismic-isolation-floor-in-japan-earthquake-disaster
https://www.youtube.com/watch?v=GXwQSCStRaw
origin - http://www.pipiscrew.com/2017/05/server-room-with-seismic-isolation-floor-in-japan-earthquake-disaster/ server-room-with-seismic-isolation-floor-in-japan-earthquake-disaster