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
Zum Nachlesen, wofür die wirklich sind und natürlich um sie in gross zu bewundern:
https://de.wikipedia.org/wiki/ISO_7010
Remember to celebrate Chocolate Egg Day responsibly...
#HappyEaster #Easter #SafetyFirst #ISO7010 #WarningSigns #ChocolateEggDay
In case of emergency, always make sure you are wearing appropriate personal protective equipment...
#38C3 #PPE #N95 #Respirator #AirQuality #CatEars #Katzenohren #ISO7010
New #EMF tshirt design just dropped... 
#EMFCamp #EMF2024 #EMFCamp2024 #aurora #SolarStorm #triffids #GeodesicDome #ISO7010 #mayke
With hindsight, all the warning signs were there...
🧵 /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 
Ripper Lambda Crime [The Möth Society]
Martin Hamilton
Berg Am Laimerin (bis 12.2025)
