english: And the first things that you can see from this graph is, if you look at the blue data points, which are the mechanically ventilated air, they're not simply a subset of the green data points, which are the outdoor air.
non_english: I prva stvar koju možete pročitati sa ovog grafika je, da ukoliko pogledate podatke u plavoj boji, koji predstavaljaju mehanički filtritan vazduh, to nije prosto podskup grupe podataka u zelenoj boji, koji predsatvlja spoljašnji vazduh.