| 摘要 |
A storage device ( 1 ) adapted to contain a food item such a butter comprises a closeable container ( 3 ), a means for maintaining a predetermined temperature with the container irrespective of ambient temperature and an internal power source adapted to power the means for maintaining a predetermined temperature. The closeable container ( 3 ) is located on a recharging unit ( 43 ) by way of spherical feet ( 7 ) which are received in part-spherical cups ( 47 ) on the recharging unit ( 43 ).
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