3 ms·
>when the CO2 is higher than 1200 its time for a fresh air That's hilarious. Where I am from, in winter it's always at least 1500 ppm outside, and more than 20
by throwaway8941 7y ago
>when the CO2 is higher than 1200 its time for a fresh air
That's hilarious. Where I am from, in winter it's always at least 1500 ppm outside, and more than 2000 ppm after ~19:00.