| Standard International Trade Classification (SITC) - level 2 - Division | 72 | Machinery specialized for particular industries | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 7231 | Bulldozers, angledozers, graders, etc.self-propelled | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 7232 | Mech.shovels,excavators,shovel-loaders,self-propelled | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 7233 | Moving, grading, levelling, scraping, etc. machinery | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 7234 | Construction and mining machinery, n.e.s. | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 7239 | Parts,n.e.s., of machinery of headings 723 and 7443 |