“Used as an analogy for philosophy, representing the practical work of identifying and fixing underlying systemic issues.”

“jobs like plumbing, particularly plumbing in an old awkward house. I have an old Eduwardian house and fixing the plumbing in that is something that will still need people for quite a long time I think...”

“not a type of pipe you use for plumbing.”

“copper pipe”

“It's called plumbing, and it's pretty standard stuff in developed areas.”