a part of the thoracic cavity in the middle of the thorax, between the pleural sacs containing the two lungs. It extends from the sternum to the vertebral column and contains all the thoracic viscera except the lungs. It is enclosed in a thick extension of the thoracic subserous fascia and is divided into the anterior mediastinum, middle mediastinum, posterior mediastinum, and superior mediastinum. mediastinal, adj.
How Old Do You Have to be to Work at McDonalds? The Federal government has passed the âFair Labor Standards Act (FLSA)â that sets the minimum age to work at most jobs (including McDonalds and Wal-Mart) at 14-years-old. It also limits the number of hours that employees under the age of 16 are allowed to work. Because of the hour limitations for 14 and 15-year-olds, a large number of companies require a minimum age of 16 for their employees. Another factor companies might not hire employees under 16 is that the older teens tend to be more mature and, therefore, more reliable.
Specific laws bar or allow people of certain ages to work specific jobs. 16 years old is the minimum age to get most jobs. Employers can hire people under 16 years old in certain circumstances, but in other circumstances, employers cannot hire people under 18 years old. The list of exceptions is long. This page lists all of the exceptions to the rule that a 16-year old can work most jobs. 13-year old, 14-year old, 15-year old, 16-year old, and 18-year old workers should study this to avoid applying for jobs they cannot be employed at. 13-Year Old or Younger People Can Work These Jobs. 1  Newspaper Delivery. 2  Baby-Sitter.