Question:  "On-the-spot guidance" is a practice which has been made use of by the Chairman of what?
Sentence (from "On-the-spot guidance"): "On-the-spot guidance" (also "guidance tours" or "field guidance") is a term used in the North Korean mass media to describe appearances by the supreme leader of North Korea, often at sites related to the military or to industry, at which the leader gives directives.
Relevant evidence: Yes