Translation 3 videos into Laos

1).Why are my Transfers failing? https://youtu.be/HOmBcNJVqWs
2).Backing up and restoring your Polkadot and Kusama accounts https://youtu.be/O_jeO6pqVMw
3).Voting for Polkadot or Kusama Council https://youtu.be/-lIkusvYq2k