Ngn3 is active in the primary and secondary phase.
Oil production usually exists in three phases: primary, secondary and tertiary.
Then, in June 1976, he was picked with the second pick of the secondary phase by the Tigers.
So, after centuries, the secondary phase of protection initiated by the colonists was finally recognized as such.
Differentiation is marked as complete after the secondary phase.
John Butcher was drafted by the Braves in the 3rd round of the secondary phase, but did not sign.
He was then drafted in the secondary phase of the 1975 draft by the Oakland Athletics.
The following article is a list of episodes from the Primary and Secondary Phases.
In broad terms though, the secondary phase comprises a lower (middle school) and an upper level (high school).
Mike Beard was drafted by the Braves in the 1st round (18th pick) of the secondary phase.