Come up with your own idea of this theme. What is man? What is a machine? How do they interact? Take a look at the Luddite movement and Futurist Art.
While fulfilling the theme, this artwork should focus on SMALL, SPECIFIC details.
Look at the principle of design - Repetition: refers to one object or shape repeated; pattern is a combination of elements or shapes repeated in a recurring and regular arrangement; rhythm--is a combination of elements repeated, but with variations