 | | 21.00 Settlements, Housing, Building - Infrastructure Construction (Roads etc) |
 |
 | | BASIN-News No. 2 - July 1991 - Building Advisory Service
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| | 21.01 Settlements and housing: general works incl. low- cost housing, planning techniques, surveying, etc. |
| | 21.02 Urban settlements (urban housing programmes, urbanization, squatters, slums, slum improvement) |
| | 21.03 Rural settlements |
| | 21.04 Architecture and Building design |
| | 21.05 Construction materials |
| | 21.06 Building machinery and equipment |
| | 21.07 Building and construction (building components, construction techniques) |
 | | Untitled |
| | 21.09 Civil engineering (roads, bridges, etc.) - Road Construction |
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