| Value | Category |
|---|---|
| 1 | Cement or brick |
| 2 | Wood and cement or brick |
| 3 | Mainly permanent materials |
| 4 | Non-permanent materials |
| 5 | Reused materials |
| 8 | Unknown |
| 9 | NIU (not in universe) |
This site uses cookies to optimize functionality and give you the best possible experience. If you continue to navigate this website beyond this page, cookies will be placed on your browser. To learn more about cookies, click here.