Table 4: Component correlation classifications.

ShaverPortable cleanerCorrelation
index

No-correlation component Luminous diode (13)Rubber flap (10) 0
Rubber flap holder (11)
Nozzle (12)

Simple-correlation componentsCharger (1)Adapter (1)1
Battery (2)Battery (2)1
Wire (3)Contact plate and wire (3)1
Motor (6)Motor (6)1
Motor shaft (7)Motor shaft (7)1
Blade bearing (8)Impeller (8)0.9

Complex-correlation componentsSwitch (4)
Diode (5)
Switch (4)
Diode (5)
Blade (9)
Screener (10)
Housing (11)
Blade cabin (12)
Filter bag (9)
Exhaust vents (13)
Housing (14)