Tell us about yourself!
Old Door Coffee Table
Upcycled Compost Bin
DIY Electronic Cigarette
Whilst I you are right, the technical distinction could be overwhelming or difficult to understand for many people (especially non english speakers or very young readers) and generally Oxygen should be treated as a highly flammable substance. I would argue in this case to leave it as somewhat of a "Lie we tell children".
Ultimate DeskSquid / Helping Hand
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Make an Emergency Phone Charger - MacGyver Style!