Sentence:  Argiento had been trained so rigorously by the Jesuits that Michelangelo was unable to change his habits : up before dawn to scrub the floors , whether they were dirty or not ; water boiling on the fire for washing laundry every day , the <WSD>pots</WSD> scoured with river sand after each meal . 
Meaning of the word marked with <WSD> tags:  metal or earthenware cooking vessel that is usually round and deep; often has a handle and lid