Competitors rotate from station to station diagnosing common service issues on residential and commercial refrigeration, laundry, cooking, dishwashing, and food serving products. Competitors also demonstrate their ability to braze and use Lokring technology by assembling a copper and steel tubing project per a schematic provided. The competitor’s customer satisfaction and employability skills will also be evaluated using interviews, job applications, and various types of assessments. There is a need for good understanding and use of tools and test equipment, providing the most professional service available to customers as necessary. There is also a residential and commercial appliance technology general knowledge learning exercise.