Examples of homeostasis include the regulation of body temperature, the pH of extracellular fluid, or the concentrations of sodium, potassium and calcium ions as well as that of glucose in the blood plasma, despite changes in the environment, diet, or level of activity.
Blue-collar workers perform labor jobs and typically work with their hands. The skills necessary for blue-collar work vary by occupation. Some blue-collar occupations require highly skilled personnel who are formally trained and certified.
Highly paid âblue collarâ employees such as non-management-level building construction employees are always non-exempt no matter how highly they are paid. Similarly, emergency responders such as police officers and firefighters are specifically excluded from these regulations âregardless of rank or pay level.â.