DRINKING WATER SUPPLY
- Catchment area
- Sinking/Drilling
- Processing
- Pumping
- Storage
- Supply
RUNOFF AND WASTEWATER PURIFICATION
- System of collection
- Stations of collection
- Stations of processing
- Channels, emissaries
- Works of storage and regulation
- Facilities
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HYDRAULIC CONSTRUCTION
- Dam, reservoir
- Earthwork
- Irrigation, drainage
- Confinement
BUILDING TRADE AND CIVIL ENGINEERING
- Road, rail and waterways
- Urban infrastructures
- Graphic work
- Building trade
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