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                                            Water storage tank
                                        
                  
                                    
                            
                  
                        
                  
                        
                  
                    
                  
                
                  

            
                  
            
                  
                
                  Water storage tank
                  
                
                
                  
                    
                
                  
                
                
                  
                    
                
                  
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