mechanical
Machine, especially in opposition to an electronic item Manufactured or artificial, especially in opposition to a biological or natural component
Automation, using machine decisions and processing instead of human Mechanization, using machine labor instead of human or animal labor HVAC (heating, ventilation, and air-conditioning), the mechanical systems of a building Mechanical phenomenon, as in the mechanics of the Digestive Tract or the mechanics of swallowing
Mechanical license, used in the music industry to indicate the payment made from a licensee to the owner of a copyright for the right to mechanically reproduce a song https://source.unsplash.com/featured/?mechanical#.png