| 摘要 |
The invention is a container with a neck extension having a sight glass and containing indicia to enable a user to verify the liquid content of the container with a graduated level indicator. The container enables a user to verify whether when a gasoline pump indicator reflects the dispensing of one gallon of gasoline into the container. A liquid level indicator allows the user to verify whether the pump has accurately dispensed a gallon or whether the amount of gasoline received is less than one gallon.
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