1- Gas can have the same significance as air and wind but usually is taken to be slightly more dangerous. So to be dreaming of gas in some way e.g. a leak indicates we may be looking at some difficulty in controlling our own thoughts feelings and abilities.
2- Gas as a means of assistance or as a tool has the same significance as breath (See Also: Breath).
3- The spirit, as an unformed entity; can be symbolised by gas. We should be aware of its ability to float in and out of our lives.
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