These cluster matrices provide duties and tasks that form the basis of instructional content for secondary, postsecondary, and adult training programs industrial health occupations. The 14 clusters (and the job titles included in each cluster) are as follows: (1) construction (bricklayer, carpenter, building maintenance worker, electrician, maintenance painter, plumber/pipefitter); (2) electronic (computer repair technician, electrical and electronic technician); (3) graphic communications (commercial artists, compositors and/or typesetters, offset lithographic press operators, printing photographers, camera operators); (4) transportation (automotive mechanic, diesel mechanic, gasoline engine/mower repair); (5) manufacturing (machine tool operator, machinist, tool and die maker, punch press operator, sheet metal worker, combination welder, maintenance repairer, automated manufacturing systems technician, thermoplastic machine set-up specialist); (6) technical preparation (computer repair technician, electrical and electronic technician, automated manufacturing systems technician); (7) auto body repairer; (8) bus driver; (9) drafter/computer-aided drafter; (10) truck driver; (11) correction officers and jailers; (12) electric home appliance and power tool repairer; (13) office machine/cash register repairer; and (14) telephone and cable television line installers/repairers. (YLB)