The question was about "Rotary Skills" (interdependent)
a : turning on an axis like a wheel
b : taking place about an axis <rotary motion>
a : the ability to use one's knowledge effectively and readily in execution or performance
b : dexterity or coordination especially in the execution of learned physical tasks
c : a learned power of doing something competently
d : a developed aptitude or ability
The Poll question's referal to "rotary skills" was not refering to the myriad of unskilled or miss-applied rotary causes/effects.
Consider only those used on purpose, with purpose (intent), done well (skilled), that add value and are not in leu of or inhibiting to application other more efficient or effective options.
For additional seasoning, chew and digest:
a: to control or direct the course of
b: to guide by mechanical means
a: to cause to pivot
b: to turn on or as if on a pivot