There are 15 jobs for a twenty year old high school graduate with on-the-job training for most of them.:
1. Automotive service technicians
What they do: Also called mechanics, automotive service technicians inspect, maintain and repair automobiles and light trucks using traditional equipment and computerized tools. What they earn:** $37,662
2. Accounting clerks
What they do: Also known as accounts payable clerks or accounts receivable clerks, duties may include posting details of transactions, computing interest charges.
What they earn:** $29,991
What they do: From highways and bridges to kitchen cabinets, carpenters construct, erect, install and repair structures and fixtures made from wood and other materials.
What they earn:** $36,889
4. Customer service representatives
What they do: Serve as the direct point of contact for customers of all types of businesses by answering questions and concerns, providing information and addressing complaints
What they earn:** $31,685
5. Dental assistants
What they do: Not to be confused with dental hygienists, dental assistants work closely with dentists and perform a variety of duties including instrument sterilization, obtaining records.
What they earn:** $32,246
What they do: Install and maintain wiring, fuses, circuits, outlets, load centers, panel boards and electrical machines in homes and businesses.
What they earn:** $47,869
7. Fitness trainers
What they do: Lead and instruct people in exercise activities, either individually or in a group setting , in fitness centers, gyms, hospitals, universities and clients' homes. What they earn:** $24,890
8. Gaming managers and supervisors
What they do: Oversee the operations and personnel in an assigned area of a casino or gaming facility and ensure workers and gamblers are aware of and adhering to the rules of the games.
What they earn:** $47,429
9. General maintenance and repair workers
What they do: Troubleshoot, inspect and diagnose problems in many different crafts (like carpentry, plumbing, air conditioning and heating, and painting) and decide the best way to correct them
What they earn:** $27,890
10. Home health aides
What they do: Assist elderly, ill or disabled people at home instead of health-care facilities. They provide services like administering medications and checking temperatures, and may also do housework and assist with personal care. What they earn:** $22,163
11. Interpreters and translators
What they do: Interpreters convert one spoken language into another and must express thoughts and ideas clearly; translators convert written materials from one language into another.What they earn:** Interpreters -- $37,700; Translators -- $42,229
12. Manicurists and pedicurists
What they do: Also called nail technicians, they groom and polish fingernails and toenails and provide manicures and pedicures. What they earn:** $19,978
13. Medical assistants
What they do: Perform administrative and clinical tasks (depending on what's allowed by the state) in doctor and other health practitioner offices. What they earn:** $30,136
14. Nursing aides, orderlies and attendants
What they do: Provide a variety of hands-on and routine tasks in many aspects of a patient's care, including but not limited to: helping patients eat and groom. What they earn:** $25,133
15. Office clerk
What they do: Specific duties vary depending on type of office but can include administrative duties, data entry and using office equipment. What they earn:** $29,410
Answered By: George - 11/18/2012