Final answer:
The top of the LPU-38 P container should form a fold approximately 5 inches wide when closing using the top side folding procedure.
Step-by-step explanation:
When closing the LPU-38 P container using the top side folding procedure, the top should form a fold approximately 5 inches wide. This means that the width of the fold should be around 5 inches.
The top side folding procedure involves folding the top side of the LPU-38 P container inwards to ensure a secure closure.