If it’s a stained tablecloth, mix a little dishwashing detergent with water and put it directly on the stain first, then launder.

Giovanni Peri, a labor economist at the University of California, Davis, says a lack of immigrants for jobs like dishwashing can hit U.S. workers, too.

The dishwashing room was expanded by 24 square feet to accommodate the move from throwaway plates to real dishware.