Mechanical or Mechanic - or Mechano- as prefixes entail a wide variety of tools, devices, instruments, machines ranging from 10 x -03 for precision tools to 10 c 01, i.e. in the range of meters. mechanical - using (or as if using) mechanisms or tools or devices http://dict.die.net/mechanical/ mechanical 1. Pertaining to, governed by, or in accordance with, mechanics, or the laws of motion; pertaining to the quantitative relations of force and matter, as distinguished from mental, vital, chemical, etc.; as, mechanical principles; a mechanical theory; mechanical deposits. 2. Of or pertaining to a machine or to machinery or tools; made or formed by a machine or with tools; as, mechanical precision; mechanical products. We have also divers mechanical arts. (bacon) http://www.biology-online.org/dictionary/Mechanical