Part-time employee being asked to do too much

DEAR HARRIETTE: I only work parttime for a small business that is run by two people. I work remotely. I used to work full-time, but part-time made more sense for me and my schedule. Sometimes I think my bosses forget that I work part-time, based on the amount of work they give me on a daily basis.

How do I kindly remind them that the volume of work that they are giving me is too similar to the volu…