| Value | Category | Cases | |
|---|---|---|---|
| ALLUMINIUM | 1 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| ONE PART USES COROGATED ITON SHEETS AND THE OTHER PART THATCHED | 1 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| TIMBER | 1 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| ZINC | 3 | 
                                                                 
                                    
                                    37.5%
                                 
                                                             | 
                                                        
                    |
| ZINC ROOF | 1 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| ZNIC | 1 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             |