Final answer:
The item that is not a factor in maximizing load stability is securing front-end counterweights.
Step-by-step explanation:
The item that is not a factor in maximizing load stability is d) Securing front-end counterweights. Positioning the load as close as possible to the front wheels helps distribute the weight evenly and reduces the risk of tipping. Tilting the load back also helps with stability by shifting the center of gravity towards the rear. Driving smoothly is crucial to prevent sudden movements that could destabilize the load. However, securing front-end counterweights does not directly contribute to maximizing load stability.
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