What must be done to reduce the risk of personal injury or equipment damage during a rack installation of an MSL2024 or MSL4048 Tape Library? (Select three.)
A. Remove power from the rack.
B. Extend the leveling jacks to the floor.
C. Remove shipping locks before installation.
D. Extend only one rack component at a time.
E. Mount the library only in the lower half of the rack.
F. Obtain adequate assistance for lifting the library.