| Classification of Types of Constructions (CZ-CC) - level 3 - Group | 221 | Long-distance pipelines, communication and electricity lines | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221411 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221412 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221413 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221419 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221421 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221422 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221429 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221438 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221441 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221491 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221492 |  |