A technician is performing preventive maintenance on the hardware components in a workstation.
Which of the following actions should the technician take?

A.
Remove the case front and clean the air vents.

B.
Unplug the capacitors from the board and clean the contacts.

C.
Remove the processor and clean the pins with an eraser.

D.
Remove the processor and clean any dust that has collected between the processor and the
heatsink.