@AndyLowry Oxygen is nasty. Almost everything will burn in pure oxygen, even things that you think of as inert. (My BSc was in chemistry).
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@jayarava
I've seen what it can do to steel and iron. But, perversely, the body seems to depend on it. I'm certainly treating it with care; I remember a demonstration of thrusting a glowing straw into a tube of oxygen and watching it nearly explode. There are open flames in the house, so I have to make sure there are never any leaks anywhere.
@AndyLowry 🔥