Plumber

A plumber was a worker who fixed plumbing.

In 1985, the plumber Pietro Rossi was transported across dimensions when he entered a house on the outskirts of Rome and tried to fix a blockage in the pipes. (COMIC: Dungeon of the Lost)

Winston Blunt was a plumber in 1989. (COMIC: Business as Usual)

Angela Wisher was a plumber who helped the Fifth Doctor investigate an invasion of Earth planned by the Tinghus in 2008. (AUDIO: Cuddlesome)

In 5000000000, Raffalo was a plumber on Platform One. She was killed by Cassandra O'Brien's metal spiders when she tried to reventilate the Face of Boe's tank. (TV: The End of the World)

Phil and Trev were existential plumbers. (AUDIO: A Perfect World)