| EX-31A | Panasonic | 22 | SENSOR THROUGH-BEAM 500MM NPN | 
                                                                    
                                        | EX-31A-C5 | Panasonic | 35 | SENSOR THROUGH-BEAM 500MM NPN | 
                                                                    
                                        | EX-31A-PN | Panasonic | 37 | SENSOR THROUGH-BEAM 500MM PNP | 
                                                                    
                                        | EX-31B | Panasonic | 142 | SENSOR THROUGH-BEAM 500MM NPN | 
                                                                    
                                        | EX-31B-C5 | Panasonic | 18 | SENSOR THROUGH-BEAM 500MM NPN | 
                                                                    
                                        | EX-31B-PN | Panasonic | 43 | SENSOR THROUGH-BEAM 500MM PNP | 
                                                                    
                                        | EX-32A | Panasonic | 39 | SENSOR REFLECTIVE 50MM NPN LT ON | 
                                                                    
                                        | EX-32A-C5 | Panasonic | 5,000 | SENSOR REFLECTIVE 50MM NPN LT ON | 
                                                                    
                                        | EX-32A-PN | Panasonic | 106 | SENSOR REFLECTIVE 50MM PNP | 
                                                                    
                                        | EX-32B | Panasonic | 8 | SENSOR REFLECTIVE 50MM NPN | 
                                                                    
                                        | EX-32B-C5 | Panasonic | 5,000 | SENSOR REFLECTIVE 50MM NPN | 
                                                                    
                                        | EX-32B-PN | Panasonic | 2 | SENSOR REFLECTIVE 50MM PNP | 
                                                                    
                                        | EX-33 | Panasonic | 16 | SENSOR THROUGH-BEAM 800MM NPN | 
                                                                    
                                        | EX-33-PN | Panasonic | 5,000 | SENSOR THROUGH-BEAM 800MM PNP | 
                                                                    
                                        | EX-35-S-3-0-20-M20 | Amphenol Industrial Operations | 5,000 | CABLE GLAND 9.6-14MM M20 SS |