Final answer:
A long spanner provides increased torque for opening or tightening nuts on a vehicle's tire, while an extra-long wrench can cause over-tightening and damage during tightening.
Explanation:
A long spanner is used to open or tighten nuts on a vehicle's tire because the longer lever arm provides increased torque, making it easier to loosen or tighten the nuts. On the other hand, using an extra-long wrench while tightening can lead to over-tightening and potential damage due to the excessive force applied.
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