How to write a ledger for troubleshooting problems with non-standard publicity slogans in kindergartens

1. Ledger number: Each safety hazard should have a unique number to facilitate tracking and management. The number should be compiled according to certain rules, such as the year plus serial number.

2. Ledger date: Each safety hazard record should be marked with the filling date to facilitate subsequent search and archiving. The date format should be standardized, using the order of year, month and day, such as January 1, 2022.