Objects.
Studies of mechanisms and artificial objects.

http://romeroleo.com/files/gimgs/th-29_chopter.jpg
http://romeroleo.com/files/gimgs/th-29_misile north korea.jpg
http://romeroleo.com/files/gimgs/th-29_mechanical arm.jpg
http://romeroleo.com/files/gimgs/th-29_servo cyborg head.jpg