| Classification of Products ver. 2002 (CZ-CPA) - level 4 - Group | 
                    274 | 
                    Basic precious metals and other non-ferrous metals | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    27431 | 
                    Lead, zinc and tin, unwrought | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    27432 | 
                    Semi-finished products of lead, zinc and tin or their alloys | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    27433 | 
                    Waste and scrap of lead, zinc and tin; ash and residues containing mainly zinc or lead | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 6 - Category | 
                    27439 | 
                    Industrial services for lead, zinc and tin and products thereof |