C26 Little min's mind

Most of the box was wrapped in yellow tape, and at the top I could just make out a few words: Ergonomic design.

"Good boy, what does this ergonomics mean?" Old Seven also saw these words. He had already picked up a sharp stone from the ground and was vigorously drawing the yellow tape.

I shook my head and turned my gaze towards Xiao Min. "Xiao Min, you're a student of machinery