In 1980<span>, the American Psychiatric Association added PTSD to the third edition of its Diagnostic and Statistical Manual of Mental Disorders nosologic classification scheme. </span>
Flat land high above sea level with a steep side is called a cliff
With the invention of the stethoscope, physicians were able to listen to the various sounds made by the heart and lungs. And began to be able to identify if patients had any diseases or ailments.
The Occupational Safety and Health (OSH) Act was passed to "assure safe and healthful working conditions for working men and women." Accordingly, the Occupational Safety and Health Administration (OSHA) was created to perform the following primary functions:
<span>-Assure the safety and health of workers at the workplace, wherever that may be.
-Consult with and advise employers, employees, and representative organizations of the effective means of preventing occupational injuries and illnesses.
<span>-Conduct workplace inspections and investigations to determine whether employers are complying with standards.
source:</span></span>https://www.osha.gov/SLTC/emergencypreparedness/guides/osha_role.html
