Well, I know she cleaned up after and everything, but I'm just thinking, given that unit filters God knows what through from outside, if she tracked anything back in with her, it'd be pretty concentrated.
Bueno, badakit garbitu egin dela, baina... Nola iragazki horretan kanpoko auskalo zer gai pilatu den... Gai horren arrastorik ekarri badu hona, dentsitate handiko materia izango da.