For the first time in almost two decades, Quick Fresh Meals Inc. has seen a serious outbreak of occupational skin diseases, including miliaria, among its workers. You and the other industrial hygienists at the company are reviewing the situation and trying to understand the reasons for the sudden change. Quick Fresh Meals has been in the food processing industry for more than thirty years with a majority of the employees that started with the company. Recently the company has expanded and has hired younger workers with less experience, including several bakers and laboratory technicians. Quick Fresh Meals is located in Fresno, California which allows Quick Fresh Meals to benefit from the state's agricultural resources. Inside the plant, equipment and other work surfaces are cleaned on a routine basis and there are plenty of wash basins available to workers. As you begin the investigation, you first refresh yourself on the skin and dermal hazards. Describe the three distinct layers of tissue that comprise the skin