- ARCHITECTURE
- Architectural Design
- Architectural restoration, conservation
- Temporary architecture, installations
- PLUMBING
- Water and wastewater systems
- HVAC SYSTEMS
- Electrical system design
- Water / Heating system design
- Energy, networks and telecommunications
- WORKS AND WORKSITE MANAGEMENT
- Works management
- CONSULTANCY
- Project Management
- CAD, GRAPHICS
- Architectural Modelling
- ELECTRICAL SYSTEM DESIGN
Rozald Sihombing
Architect jakarta / Indonesia
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