48. Material of the walls
[] Concrete/cement block/stabilized brick
[] Stone
[] Brick
[] Plank
[] Mud or straw
[] Carabot (Plywood)
[] Other
48. Main material of walls
The codes for the terms of this variable are:
1-Contrete/cinder block/bricks
2-cut stone
3-simple bricks
4-boards
5-clay/adobe
6-carabot (plywood)
7-Other to specify