Advanced Manufacturing

http://catalog.sierracollege.edu/departments/advanced-manufacturing/

...WELD 0001A Introduction to Welding and Fabrication WELD...Courses: 26 units AAD 0070 Graphic Design II...

Course Identification Numbering System (C-ID)

http://catalog.sierracollege.edu/student-resources/course-information/course-identification-numbering-system/

...192 THEA 0024 WELD 101 X WELD 0005A...0040A ARTS 250 AAD 0070 ARTS 270 ART...