A project was undertaken to identify common skill and knowledge competencies in various occupational areas in order to provide vocational instructors and administrators with an up-to-date skill analysis for use in curriculum development. To compile this data base, researchers developed task surveys to determine the minimum competencies needed by workers in the following occupations: appliance repairer, buyer, computer operator, computer programmer, diesel mechanic, electronic mechanic, electronic technician, nursery school attendant, real estate agent, solar technician, teacher aide, and waiter/waitress. Six of the 12 occupations were selected to have task inventories verified by vocational advisory committees already established at Pima Community College in Arizona. For the other six occupations, contacts were made with various private businesses and public agencies. The number of incumbent employees responding to each inventory ranged from 7 to 35, and the number of task statements on the individual inventories ranged from 32 to 201. Data collected from the inventories were analyzed and compiled into competency listings for each occupation. (All 12 inventories and competency listings are included in the report.) (MN)