waiting for it to heat up, I noticed that I could see my breath...decided to try and find out what would happen when I used my surgical mask, cloth mask and "buff". In my case, the surgical mask 'attenuated' my "breath cloud" dramatically...the "buff" not so much. For those in the northern climes, try it out and share your findings/thoughts.
“Masking” literally has taken on over one hundred different forms
Yet somehow we think their impact is a god send
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I'm sticking with the surgical mask for any encounters that approach 6 ft. BTW, just heard that our family ICU Doc has ~40 people in the hospital's COVID ward...they're quite busy...in addition, our state posted a map of relative COVID cases by county...we're not doing too well, so Thanksgiving will be 'Householders Only' this year.
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I am a PE for a large commercial/Industrial ventilation company. Not only do we manufacture and sell billions in product but our owner has private schools. Our research in general ventilation has made sense also. Normal restaurant/ school ventilation is recirculating air at about a 80% clip. Using 100% conditioned out side air with constant air changes we have had 4 confirmed cases in the schools (6 schools, about 1200 students plus teachers/staff). Basic premise, do not recirculate contaminated air...makes sense and why it is always the standard in clean hospital rooms. Issues...mostly cost, but done right the cost is minimal compared to standard HVAC systems. Just what I know and do daily
PE?
the ventilation issue...any links you can post would be appreciated.
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as a "Neck Gaiter"...often used by skiers...keeps your neck, face and head warm, depending on how you 'unfurl' it. You'll see a lot of football players and coaches using them as COVID masks.
Both popular here in Georgia...
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We better all flee the country if we don’t
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temp. is 73 right now.
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