University professors and lecturers teach courses to undergraduate and graduate students and conduct research at universities. University professors who are heads of departments are included in this unit group.

Retail salespersons sell, rent or lease a range of technical and non-technical goods and services directly to consumers. Visual merchandisers plan, create and implement windows and in-store displays. They are employed by stores and other retail businesses, as well as wholesale businesses that sell on a retail basis to the public.

Cooks prepare and cook a wide variety of foods. They are employed in restaurants, hotels, hospitals and other health care institutions, central food commissaries, educational institutions and other establishments. Cooks are also employed aboard ships and at construction and logging campsites. Apprentices are also included in this unit group.

Food and beverage servers take patrons' food and beverage orders and serve orders to patrons. They are employed in restaurants, hotels, bars, taverns, private clubs, banquet halls and similar establishments.

Food service supervisors supervise, direct and coordinate the activities of workers who prepare, portion and serve food. They are employed by hospitals and other health care establishments and by cafeterias, catering companies and other food service establishments.

Food counter attendants and food preparers prepare, heat and finish cooking simple food items and serve customers at food counters. Kitchen helpers, food service helpers and dishwashers clear tables, clean kitchen areas, wash dishes, and perform various other activities to assist workers who prepare or serve food and beverages. They are employed by restaurants, cafés, hotels, fast food outlets, cafeterias, hospitals and other establishments.

Home support workers, caregivers and related occupations, provide personal care and companionship for seniors, persons with disabilities and convalescent clients. They provide care in the client's residence, where they may also reside. They are employed by home care and support agencies, private households, or they may be self-employed.

Retail and wholesale trade managers plan, organize, direct, control and evaluate the operations of establishments that sell merchandise or services on a retail or wholesale basis. They are employed by retail and wholesale sales establishments or they may own and operate their own store.

General office support workers prepare correspondence, reports, statements and other material, operate office equipment, answer telephones, verify, record and process forms and documents such as contracts and requisitions and perform general clerical duties according to established procedures. They are employed in offices throughout the public and private sectors.

Store shelf stockers, clerks and order fillers pack customers' purchases, price items, stock shelves with merchandise, and fill online, mail and telephone orders. They are employed in retail establishments, such as grocery, hardware and department stores, and in warehouses.