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Vehicle Safety, Documents & TowingStandalone practice

Before a trip, you put a penny head first into the deepest groove of a tire's tread. You can see all of Lincoln's head. What does this tell you?

A head-first penny sits in a tire tread groove. All of Lincoln’s inverted head is visible, with a larger detail of the same penny and tread. No replacement instruction or tread verdict appears.

A head-first penny sits in a tire tread groove. All of Lincoln’s inverted head is visible, with a larger detail of the same penny and tread. No replacement instruction or tread verdict appears.

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