pipefitter
noun [ C ] uk/ˈpaɪp.fɪt.ər/ us/ˈpaɪp.fɪt̬.ɚ/
从事管道安装（或修理）的工人
someone whose job is to put water or heating pipes into a building
He had a long career as a welder, pipefitter, and boilermaker. 他长期从事焊工、管道工和锅炉工等工作。
Compare: plumber