Maybe the correct way to describe it is this: At 100-110 you start to be able to

Maybe the correct way to describe it is this:

At 100-110 you start to be able to construct physical models. You can repair machines. And learn by being taught.

At 110 to 120 you start to be able to construct non physical models and learn independently. ( calculate )

At 120 to 130 you start to be able to model new machines (design machines. )

At 130 to 140 synthesize and communicate abstract ideas.

140 + model ( invent ) new ideas

The modeling is what I need to work into it.