I am sure lenovo has produced inferior laptops before, but the X1 Carbon was supposedly stress tested by machines that open and close the lid for days on end to

I am sure lenovo has produced inferior laptops before, but the X1 Carbon was supposedly stress tested by machines that open and close the lid for days on end to test the hinge, and also machines that press the keys repeatedly, to ensure that the function of these components do not deteriote substantially over time.