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0-1 PROFESSIONAL, TECHNICAL, AND MANAGERIAL OCCUPATIONS
This category includes occupations concerned with the theoretical or practical aspects of such fields of human endeavor as architecture; engineering, mathematics; physical sciences; social sciences; medicine and health; education; museum, library, and archival sciences; law; theology; the arts; recreation, administrative specialties; and management. Also included are occupations in support of scientists and engineers and other specialized activities such as piloting aircraft, operating radios, and directing the course of ships. Most of these occupations require substantial educational preparation, usually at the university, college, junior college, or technical institute level.
2 CLERICAL AND SALES OCCUPATIONS
This category encompasses two occupational fields: Clerical (Divisions 20 through 24), which includes activities with preparing, transcribing, systematizing, and preserving written communications and records; distributing information; and collecting accounts. Sales occupations (Divisions 25 through 29) include those activities concerned with influencing customers in favor of a commodity or service. Occupations closely identified with sales transactions even though they do not involve active participation in transactions.
3 SERVICE OCCUPATIONS
This category includes occupations concerned with providing domestic services in private households, preparing and serving food and drink in commercial, institutional, or other establishments; providing lodging and related services; providing grooming, cosmetic, and other personal health care services for children and adults; maintaining and cleaning clothing and other wearing apparel; providing protection for people and property attending to the comfort and requests of patrons of amusement and recreation facilities; and performing cleaning and maintenance services to interiors of buildings.
4 AGRICULTURAL, FISHERY, FORESTRY, AND RELATED OCCUPATIONS
This category includes occupations concerned with propagating, growing, caring for, and gathering plant and animal life and product; logging timber tracts, catching, hunting and trapping, animal life; and caring for parks, garden, and grounds. Also included are occupations concerned with providing related support services. Excluded are occupations requiring a primary knowledge or involvement with technologies, such as processing, packaging, and stock checking, regardless of their industry designations. Managerial occupations in agriculture, fishery, and forestry are included in Group 180.
5 PROCESSING OCCUPATIONS
This category includes occupations concerned with refining, mixing, compounding, chemically treating, heat treating, or similarly working materials in solid, fluid, semi fluid, or gaseous states to prepare them for use as basic materials, or stock for further manufacturing treatment, or for sale as finished products to commercial users. Knowledge of a process and adherence to formulas or other specifications are required to some degree. Vats, stills, ovens, furnaces, mixing machines, crushers, grinders, and related equipment or machines are usually involved.
6 MACHINE TRADE OCCUPATIONS
This category includes occupations concerned with the operation of machines that cut, bore, mill, abrade, print, and similarly work such materials as metal, paper, wood, plastics, and stone. A worker's relationship to the machine is of primary importance. The more complicated jobs require an understanding of machine functions, blueprint reading, making mathematical computations, and exercising judgment to attain conformance to specifications. In less complicated jobs, eye and hand coordination may be the most significant factor. Installation, repair, and maintenance of machines and mechanical equipment and weaving, knitting, spinning, and similarly working textiles are included.
7 BENCHWORK OCCUPATIONS
This category includes occupations concerned with the use of body members, hand tools and bench machines to fabricate, inspect, grind, carve, mold, paint, sew, assemble, inspect, and repair relatively small products, such as jewelry, phonographs, light bulbs, musical instruments, tires, footwear, pottery, and garments. The work is usually performed at a set position or station in a mill, plant, or shop, at a bench, worktable, or conveyor. At the more complex levels, workers frequently read blueprints, follow patterns, use a variety of hand tools, and assume responsibility for meeting standards. Workers at the less complex levels are required to follow standardized procedures.
8 STRUCTURAL WORK OCCUPATIONS
This category includes occupations concerned with fabricating, erecting, installing, paving, painting, repairing, and similarly working structures or structural parts, such as bridges, buildings, roads, transportation equipment frames and structures, cables, griders, plates, and frames. The worker's relationship to hand tools and power tools is more important than to stationary machines, which are also used. Knowledge of the properties (stress, strain, durability, resistance) of the materials used (wood, metal, concrete, glass, clay) is often a requirement.
9 MISCELLANEOUS OCCUPATIONS
This category includes occupations concerned with the use of body members, hand tools and bench machines to fabricate, inspect, grind, carve, mold, paint, sew, assemble, inspect, and repair relatively small products, such as jewelry, phonographs, light bulbs, musical instruments, tires, footwear, pottery, and garments. The work is usually performed at a set position or station in a mill, plant, or shop, at a bench, worktable, or conveyor. At the more complex levels, workers frequently read blueprints, follow patterns, use a variety of hand tools, and assume responsibility for meeting standards. Workers at the less complex levels are required to follow standardized procedures.
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