Vernier-Assist Mixture Controls

Question
My Vernier-Assist throttle control came apart during installation or maintenance. Can it be put back together?
How do I trim my engine control to length?
Why is my new engine control too long/short?
What is the minimum bend radius for my engine control?
My Vernier-Assist mixture control came apart during installation or maintenance. Can it be put back together?
I purchased a laser engraved knob and the thickness of the marking is very shallow. What kind of wear resistance can I expect?