Engine: Expired / General Subjects

1. A Entries are to be made on a monthly basis if applicable operations are performed during the month.
2. B Entries are to be made on a daily basis if applicable operations are performed during the day.
3. C Entries are to be made on each occasion when an applicable operation is performed.
4. D Entries are to be made on a weekly basis if applicable operations are performed during the week.

Tip: press A-D to answer