Literal question
Chapter C. Household information
18. For cooking, does the household use mostly...
[] 1 Wood?
[] 2 Gas?
[] 3 Charcoal?
[] 4 Electricity?
[] 5 Kerosene, alcohol?
[] 6 Other?
[] 7 None, don't cook?
Interviewer instructions
C. Information about the household
Question 18: For cooking, they use principally...
Remember that you should mark only one option, the predominant fuel.