"2nd Tier machinery upgrade blueprints?"

Hearing these words, Lin Hui's head shot up, a gleam flashing in his eyes.

Just as Zhuge Mo said, [Machinery] specialization is rare and extremely important.

Su Qingqian is currently only at 1st Tier specialization, yet she can already craft various mechanical creations, modify drones, and produce different types of ammunition. If she could advance to the 2nd Tier, truly touching the "extraordinary realm," what kind of qualitative change would her abilities undergo?