pumpman
... that the pumpman is the person aboard an oil tanker who maintains the liquid cargo system?
... that the <b id="mwFek"><a href="./Pumpman" id="mwFeo" rel="mw:WikiLink" title="Pumpman">pumpman</a></b> is the person aboard an <a href="./Oil_tanker" id="mwFes" rel="mw:WikiLink" title="Oil tanker">oil tanker</a> who maintains the liquid cargo system?