Phase: Oxygen can be a fuel at typical temperature and stress (STP). Even so, it may be transformed into a liquid or strong state at very low temperatures and higher pressures. In its liquid and sound types, oxygen is actually a pale blue colour. ^ Figures given are for values https://cost-of-home-hyperbaric-o41740.blogitright.com/36440999/a-secret-weapon-for-how-much-is-a-hyperbaric-oxygen-chamber-cost