Ensures that oil adequately lubricates the engine.
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Protects the tractor from exceeding a set speed.
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Keeps air in the truck braking system if the trailer develops a leak.
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Ensures that oil adequately lubricates the engine.
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Protects the tractor from exceeding a set speed.
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Keeps air in the truck braking system if the trailer develops a leak.
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Answer correctly : 0 | Wrong : 0
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