https://mechanicaldesign101.com/wp-content/uploads/2013/10/California-Challenge-Tustin.jpg5801109Prof. McCarthyhttps://mechanicaldesign101.com/wp-content/uploads/2016/07/mechanical-design-101LOGOf.pngProf. McCarthy2013-10-28 18:55:592017-07-19 16:01:42KOCE reports on the California Challenge