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Railings, Reason/ interesting stories behind - Coggle Diagram

- - - - Metal
    - - Horizontal bar
      - Vertical bar
  - - - Prevent pedestrians or objects from falling onto the vehicular road
        
        Segregate pedestrians and vehicles
  - - - Standard : $200/m Stainless steel : $990/m
    - - $30/m for installation
- - - - passengers
      - Government
        
        Leisure and Culture Service Department : Park
        
        Agriculture, Fisheries and Conservation Department : country park
        
        Transport Department & Highways Department : roadside