Key Management System in Papangular Safety Lock, can be divided into four
First, not open key security lock series
There is only a unique key for each lock, and the lock and the lock cannot be used.
Second, open the key security lock series
All of the specified groups and locks can be turned on each other, any one or a few keys can open all padlocks in the group.You can specify a multi-group, and the group and group cannot be opened.
Third, do not open the universal key safety lock series
All locks in the group are only equipped with the only key, and the lock and the lock can not be used, but there is a universal key to open all the safety padlocks in the group, which can be customized, and the group is unable to use.
Fourth, open the universal key security lock series
After determining the multi-set key series, if you need to specify the high-level supervisor to open all the groups, add a thousand key keys!
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