alcohol fire can be extinguished with plain water, and alcohol fumes are MOSTLY non-explosive. Fuel must never be added when the flame is still burning. The Trangia fuel bottles do not automatically shut off, nor do they prevent flashback. While the valve does close if released, human reflex is not fast enough to release the valve if flashback occurs. The Boy Scouts of America prohibits "equipment that is handcrafted . . . due to legal concerns. Examples include alcohol-burning 'can' stoves . . . ." The nearly invisible flame and the risk of spilling burning fuel can cause burns. See also Alcohol burner Outdoor cooking Rocket stove List of stoves Notes References Berger, Karen: Hiking Light Handbook (2004) External links Stove and Fuel comparisons, (Bushwalking.org) How to Build a Soda Can Stove Wings - The Home Made Stove Archive Camping equipment Hiking equipment Survival skills