Sentence:  In some factories, where the number of pans is quite large it is the practice to appoint one head <WSD>panman</WSD> for all the three shifts to superfise the work of the panhouse. Usually, however, a <WSD>panman</WSD> is appointed to be in charge of a shift. 
Meaning of the word marked with <WSD> tags:  One who oversees the steaming process in refining sugar.