| Value | Category | 
|---|---|
| 1 | adobe bricks/unburnt bricks | 
| 2 | cement bricks(factory made) | 
| 3 | cement bricks(home made) | 
| 4 | fired bricks(factory made) | 
| 5 | fired bricks(home made) | 
| 6 | plank/timber | 
| 7 | cemented mud and wattle | 
| 8 | uncemented mud and wattle | 
| 9 | wattle and reeds` | 
| 10 | thatch | 
| 11 | cement/concrete | 
| 12 | stone | 
| 13 | plastics/carton | 
| 14 | other | 
| Sysmiss |