Christian Fankhauser on Twitter: "#CO2emissions Biggest CO2 emissions in Switzerland: private cars...air traffic not included here but that would roughly add another 10% to the total. #biketowork if you can! https://t.co/7tLuPHzY3q" /
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EN ISO/IEC 80079-20-1:2019 - Explosive atmospheres - Part 20-1: Material characteristics for gas and
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