Limit. According to the query of official website of Shandong University of Science and Technology, students with mild color vision are limited to the specialty of polymer materials and engineering, and weak color belongs to mild color vision abnormality, that is, polymer materials and engineering of Shandong University of Science and Technology are limited in color. Shandong University of Science and Technology, referred to as "Shandong University of Science and Technology", with its main campus in Qingdao, Shandong Province, is a key university in Shandong Province.