| Classification of Products ver. 2002 (CZ-CPA) - level 5 - Class | 
                    4521 | 
                    General construction work for buildings and civil engineering work | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    452161 | 
                    General construction work of structures for stadia and sport grounds | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    452162 | 
                    General construction work of structures for swimming pools | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    452163 | 
                    General construction work of structures for other sport and recreation installations | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    452164 | 
                    General construction work for engineering works n.e.c. |