| 摘要 |
There is provided a receptacle system for detecting at least one metallic object entering therein and alerting a user in response to the detection. The system of the preferred embodiment comprises a receptacle body forming an interior cavity. Moreover, a cover may be engaged to the receptacle body, in which the cover may define an opening for providing access to the interior cavity. A metal detector may be attached to the cover to detect the at least one metallic object entering through the opening of the cover. Thereafter, the metal detector may alert the user in response to the detection of the at least one metallic object.
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