Yes. What constitutes evidence of the application of manual implements? For that matter, what consitutes evidence of the application of intelligent design?
The presence of whatever result the application of a given implement produces. If the implement is a hammer, then the evidence is the imprint of a hammer.
For that matter, what consitutes evidence of the application of intelligent design?
Well, the analogous evidence would be the presence of whatever result the application of a given implement of intelligent design produces.