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                              A Double-Sided Printed Circuit Board (PCB) is a type of circuit board that has conductive traces, components, and pads on both sides of the board.
                          
                            
                         
                     
                 
             
            
            
                
                    
                         
                        
                            
                           
                            Multilayer PCB (Printed Circuit Board) design is a type of PCB that consists of more than two conductive layers sandwiched between insulating layers.