UD7 for Newbie/User friendly - "Power Shaft" should indicate auto-transforming NOT ONLY strait.
Feature Text of Power Shaft should have any explanation about its probability change to L form or cross NOT ONLY strait.
Of course, we Veteran playing before UD7 understand the power shaft should change to any form that is any type of shaft L, cross, T without any additional text, because we know them before the UD7 change.
But, beginner/newbie starts after UD7 can see "Power Shaft" form as only strait visual. I believe it is hard to be aware of "Power Shaft" can be changed any form automatically with current Feature Text.
As a fact, I met today a newbie believed the "Power Shaft" could be used for only strait and he couldn't connect factories with L shaft.