Carl in Michigan
Diamond Member
- Aug 15, 2016
- 58,366
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I just read a CDC warning that the masks we commonly wear wont work for Wildfire smoke.
I googled the size of smoke particles. The answer was 4 to 7 microns.
I googled the size of the Corona virus. 0.12 microns.
See the problem?
I googled the size of smoke particles. The answer was 4 to 7 microns.
I googled the size of the Corona virus. 0.12 microns.
See the problem?