| 摘要 |
PROBLEM TO BE SOLVED: To prevent a theft of oil from an oil feeding device and further prevent an oil delivering person from performing an illegal act. SOLUTION: This oil feeding device is operated such that a first memory medium 14 storing a code about a man in charge, a vehicle code and a unit price per a plurality of unit amounts of oil and a second memory medium 21 storing at least a plurality of unit price audio data are read by a unit price selecting means 12, an oil feeding operation is permitted only with the vehicle code, the unit price is selected and displayed at a unit price displaying device 26, the selected unit price is outputted by audio and an amount of fed oil is stored in the first memory medium 14 in reference to the selected unit price. |
