[Stoves] Cooking hood

[Kobus]

Does anybody know whether or not it is possible to construct a 'cooking 
hood' out of material other than metal? I've had a query from a Peace 
Corps volunteer in Cambodia where they don't have access to welding 
facilities. The hood is to be positioned above a rocket stove, akin to 
what you'd expect to find in a 'stove test hood' to catch emissions. Not 
looking for a 'for' and 'against' hood discussion here but to ask if 
anybody has any knowledge on this or have any suggestions.

Thanks

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Kobus Venter
http://www.vuthisa.com/
http://za.linkedin.com/in/vuthisa