| 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 | 221211 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221212 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221213 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221214 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221215 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221216 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221219 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221221 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221232 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221238 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221241 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221279 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221291 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 221292 |  |