Ammonia has a variety of uses. It serves as a refrigerant, a cleaning agent and a fertilizer. Manufacturers use ammonia to produce plastics, explosives and pharmaceuticals. In the food service and distribution industry, anhydrous ammonia serves as a highly effective and cost efficient refrigerant. Ammonia refrigeration preserves the quality of foods as they are processed, transported and stored in food processing and storage facilities. But what does all that have to do with you? Well, you shoulder the responsibility of properly storing and transferring ammonia when it's necessary to do so. You'll encounter a number of potential hazards during these procedures. That's why you're taking this course. Advance to the next slide to learn more about what you'll accomplish in this course.