Labels:hakham | sky | trade name | tree OCR: Construction Joints Head of Wall Deflection Systems An AIA Cont inuing Education Program Eredt for this course is 1 AIACES This Course Sponsored By Learning Unt for H3W credit. DIETRICH BUILDING SYSTEMS Course Title: Construction Joints: Head OfWall Deffection Systems DIETRICH M AET M NG Course Number: DIEO5C Wort hington Industries Company Unit