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.
Food safety employee training is for persons currently working in or interested in working in the foodservice industry. This training provides basic need-to-know food safety information. The training is designed and delivered to entry-level and experienced staff in all areas of the foodservice industry (i.e. wait staff to salad preparer to chef to dishwasher).