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Yeah, hi there Robert. I wanted to tell Missy something so I've got the key here right now and Missy I'll tell you really quick a way to check the flow out of the oxygen machine and to find out whether it's really oxygen or not. If you put it under water, the hose under water and take a one liter bottle full of water and hold it under water, bubble the air into it as it fills the bottle upside down and time it. You'll get the actual flow out of the machine and then the other thing is you can just fill a container like that with oxygen and definitely have somebody with sight to match in it and the match will be consumed immediately if it's oxygen. So that's what I do with Joyce's oxygen. If we haven't used it, it's sitting around for six months or a year. Robert, back to you Robert. What did you want? KC7 GHC. I hope you're feeling better buddy.