Mayke [21/31] - To Lüften, or not to Lüften? That is the CO₂ question. Let’s check the ears  

https://martinh.net/hacks/katzenohren-sto%C3%9Fl%C3%BCften/

(yes I am still pretending it is May)

#Mayke #Mayke25 #Retro #CO2 #AirQuality #lüften #querlüften #stoßlüften #ISO7010 #ISO_7010 #katzenohren #CatEars

With hindsight, all the warning signs were there...

#ISO7010 #ISO_7010

🧵 /ends

Warning signs via Wikimedia Commons, CCO licensed: https://commons.wikimedia.org/wiki/Category:ISO_7010_safety_signs_(vector_drawings)

Via #Fediverse magic you can (probably!) copy them to your own server now that I have used them in a post 

With hindsight, all the warning signs were there...

#ISO7010 #ISO_7010

🧵

With hindsight, all the warning signs were there...

#ISO7010 #ISO_7010

🧵