03-03-2023, 06:00 AM
03-03-2023, 07:04 AM
Scientific data needs to have repeatability.
We can’t simply base on 1 comprehensive research team finding to conclude wearing mask is useless.![Big Grin Big Grin](https://sgtalk.net/images/smilies/biggrin.png)
We can’t simply base on 1 comprehensive research team finding to conclude wearing mask is useless.
![Big Grin Big Grin](https://sgtalk.net/images/smilies/biggrin.png)