Disinfection of masks gegen Covid-19 by solar oven
The solar oven could be used for disinfection of masks gegen Covid-19. This was demonstrated from Holger Sauer by heating the masks in a solar oven at temperature over 70 degrees Celsius for 60 minutes.
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20.09.2016 An interesting small model of high quality
22.09.2016 Summer 2016
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You are doing a wonderful job in Bulgaria. Respect! - ( Sent to the Facebook-page of HoSa Solar, June 15, 2016)
Bernhard Müller