1.

Match the following: List I List II A.On-off1.steam kettle with different settingsB.Proportional2.ElevatorC.Cascade3.Robot-positioningD.Digital4.Domestic Refrigerator

A. A-4, B-2, C-3, D-1
B. A-2, B-4, C-1, D-3
C. A-3, B-1, C-4, D-2
D. A-4, B-2, C-1, D-3
Answer» E.


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