automation vs mechanics

automation

noun
  • The act or process of converting the controlling of a machine or device to a more automatic system, such as computer or electronic controls. 

mechanics

noun
  • The design and construction of machines. 

  • The branch of physics that deals with the action of forces on material objects with mass 

  • Spelling and punctuation. 

  • Operation in general; workings. 

How often have the words automation and mechanics occurred in a corpus of books? (source: Google Ngram Viewer )