[] 1 piped gas
[] 2 only bottled gas
[] 3 only wood
[] 4 bottled gas and wood
[] 5 charcoal
[] 6 other
[] 0 neither stove nor hearth

1 - Piped gas - when the stove is fueled by piped gas or gas from the street;
2 - Only compressed gas from tank - when there is only a stove fueled by liquefied bottled gas in a steel container, even when supplied by pipes running from a central plant common to more than one household;
3 - Only firewood - when there is only a stove fueled by wood, sawdust, leaves or cereal shells;
4 - Compressed gas from steel container, and firewood - when the household has two or more stoves, one fueled by liquefied gas and the other by firewood, regardless of greater use of one or the other;
5 - Coal or charcoal - when it is fueled by coal or charcoal;
6 - Other - when fueled by oil, kerosene, alcohol or electricity; or
0 - Does not have stove or brazier - when food is not prepared in the dwelling since there is neither a stove nor a brazier.