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            GCSE Exam GCSE Engineering
                    
                        3.3.1 Mechanical systems
                    
                                    
                
                    
                        3.3.2 Electrical systems
                    
                                    
                
                    
                        3.3.3 Electronic systems
                    
                                    
                
                    
                        3.3.4 Structural systems
                    
                                    
                
                    
                        3.3.5 Pneumatic systems
                    
                                    
                