UM sophomores Maren McSparin (standing), a chemical engineering major from Edwardsville, Illinois; Andrew Duffield (left), of Murfreesboro, Tennessee; and Francesna Patawaran, of Tupelo, review the takt time for a toy car assembly process in the Haley Barbour Center for Manufacturing Excellence during a Winter Intersession class led by Toyota Production System group leaders. Photo by Logan Kirkland/Ole Miss Digital Imaging Services