Problem
A.	What are the advantages of a "4-way" pallet, in terms of the resources of space and time, compared to a "2-way" pallet?
B.	Which types of pallet storage generally provide the most efficient use of floor space: floor storage or pallet rack? Explain.
C.	What are the relative advantages and disadvantages of push-back rack compared to pallet rack? How do both compare to gravity flow rack?
D.	Which type of storage generally makes pallets more accessible: Pallet flow rack or drive-in rack? Explain.