Interviewer instructions
14. Characteristics of the Dwelling Unit
91. The characteristics to record here are those of the building inhabited by the head of household, namely: the type of exterior walls and roof, the layout/appearance of the terrain; type of lightings and water use and supply.
Type of exterior walls
92. The census enumerator will observe directly (or will ask questions about) the type of external walls of the building or of the apartment inhabited by the household head (CM), then will check the appropriate box.