- On the system of establishing kindergarten and the age grade of children, there is no obvious difference in professional listless.
- Amend the age grading requirements under various sections.
- The contents of atis-16-ene were significantly varied among pine age grades.
- Precision grade table of granite rules series
- Precision grade table of granite squares
- Amend the age grading to “under 36 months” & “36 months and over but under 96 months”.