2.1 It should be the responsibility of the manufacturer
                           to implement a quality control programme to ensure that production
                           continuously meets the requirements in the same manner as the originally
                           tested samples.
                        
                        
                        
                      
                     
                     
                     
                        
                        
                         
                           2.2 The load on the heat responsive element in
                           automatic nozzles should be set and secure by the manufacturer in
                           such a manner so as to prevent adjustment or replacement.