Idk if these are effective, but should help solving face masks global shortage.
https://www.creality.com/info/makers-guide-3d-printed-face-mask-no-worries-on-mask-shortage-and-virus-infection-i00248i1.html
What the chain says
- Block
- 623 781
- Time
- 2020-02-26T17:38:50Z
- Signer
- 19FBWmLJn56aEK4XR2J3UXMs8zZkjznxSq
- App
- twetch
- Type
- post
- Content type
- text/plain
- Name in tx
- twetch#6688
Fields the transaction did not carry are omitted. Open the payload to see the bytes as stored.
Signed by
19FBWmLJn56aEK4XR2J3UXMs8zZkjznxSq Verified