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<blockquote data-quote="zubenelgenubi" data-source="post: 4772332" data-attributes="member: 63706">Cloth masks are worse than no masks, but medical masks make no difference in the spread of ILI&#039;s, vs no masks. N95 masks are no better than medical masks at preventing the spread of ILI. So yes, forcing us to wear cloth masks is bad, not letting you wear a vented n95 mask is not bad.They should pay us $1 million/hr to make up for not giving us 26 weeks of vacation, and forcing us to wear hazardous facewear while performing strenuous work.[URL unfurl=&quot;true&quot;]https://www.google.com/amp/s/theconversation.com/amp/why-it-could-be-dangerous-to-exercise-with-a-face-mask-on-140277[/URL]&quot;But wearing a face mask under the fencing mask reduced my oxygen level to around 17% – the equivalent of exercising at 1,500m. Any further decreases in oxygen concentration – by exercising longer or harder – would have a large effect on the physiological responses to exercise, causing altitude-sickness symptoms such as dizziness or headache.There are negligible levels of carbon dioxide in atmospheric air, and when exercising with only the fencing mask this remains below 1%. With the face mask on, it trebled to 3%. Bear in mind that the UK Health and Safety Executive – the government agency responsible for regulation and enforcement of workplace safety – <a href="https://www.hse.gov.uk/carboncapture/carbondioxide.htm" target="_blank">advises</a> that employees should not be exposed to 1.5% carbon dioxide for more than 15 minutes.&quot;</blockquote>

[QUOTE="zubenelgenubi, post: 4772332, member: 63706"] Cloth masks are worse than no masks, but medical masks make no difference in the spread of ILI's, vs no masks. N95 masks are no better than medical masks at preventing the spread of ILI. So yes, forcing us to wear cloth masks is bad, not letting you wear a vented n95 mask is not bad. They should pay us $1 million/hr to make up for not giving us 26 weeks of vacation, and forcing us to wear hazardous facewear while performing strenuous work. [URL unfurl="true"]https://www.google.com/amp/s/theconversation.com/amp/why-it-could-be-dangerous-to-exercise-with-a-face-mask-on-140277[/URL] "But wearing a face mask under the fencing mask reduced my oxygen level to around 17% – the equivalent of exercising at 1,500m. Any further decreases in oxygen concentration – by exercising longer or harder – would have a large effect on the physiological responses to exercise, causing altitude-sickness symptoms such as dizziness or headache. There are negligible levels of carbon dioxide in atmospheric air, and when exercising with only the fencing mask this remains below 1%. With the face mask on, it trebled to 3%. Bear in mind that the UK Health and Safety Executive – the government agency responsible for regulation and enforcement of workplace safety – [URL='https://www.hse.gov.uk/carboncapture/carbondioxide.htm']advises[/URL] that employees should not be exposed to 1.5% carbon dioxide for more than 15 minutes." [/QUOTE]

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