HP Surestore E Disk System FC10 Service Manual page 115

WARNING High current available. Avoid touching the backplane or
adjacent drive electronics when removing and inserting disks.
Caution If the disk will be reused, place it on a static mat or other ESD-protected
surface.
Caution Follow standard ESD procedures and avoid touching
exposed circuitry. Touching the disk circuit board can
cause high energy discharge and permanently damage
the disk.
Disks are fragile. Handle carefully.
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