????? ???? ????? ?? ???? ???? ????? ????? ???? ???? ???????.Author alvinology Alvin is really a marketer by working day and blogger by night time. He is a a hundred% geek who spends too much time browsing the net.For Resmed devices it can be measured in litres per second - I do think. I am not very aware of ResMed machines. You'd like 0.0 for your