[AntiGuv]

What constitutes evidence of the application of manual implements?

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.

[Fester Chugabrew]

If the implement is a hammer, then the evidence is the imprint of a hammer.

What are the attributes of a hammer that lead you to conclude it is a man-made object?