• steemitboard (66)in #health • 5 years ago

  RE: Ultrasonic Waves Are Everywhere. Can You Hear Them?

  Congratulations @postpromter! You received a personal award! Birthday! - You are on the Steem blockchain for 1 year! You can view your badges on your Steem Board and…

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• steemitboard (66)in #health • 6 years ago

  RE: Ultrasonic Waves Are Everywhere. Can You Hear Them?

  Congratulations @postpromter! You have completed the following achievement on Steemit and have been rewarded with new badge(s) : Award for the number of upvotes…

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