C'mon guys… Why are you all giving this guy a hard time? Let's help a fella out here!
Your local building code will outline the strict regulations associated with stretching various metal boxes that have shrunk. From the guidelines found in the code, determine the best tool for the task. In some areas, a slotted screwdriver should do the trick for you. However, if you're in an area where frost heaving is an issue, running the unit carefully through a radial arm saw might be the most efficient option.
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