The engine should be left on.
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The engine should be turned off.
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The gas nozzle may be left unattended.
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No other vehicles should be at the refueling station.
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The engine should be left on.
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The engine should be turned off.
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The gas nozzle may be left unattended.
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No other vehicles should be at the refueling station.
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Answer correctly : 0 | Wrong : 0
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