Industrial Gas Appliances are classified as Type B. This encompasses all gas appliances that are not on the prescribed list and consume gas at greater than 10MJ/hr. There are a wide range of appliances in this category used by industry, Coffee Roasters, Truck Spray booths, small stand-by generators to power stations, are just a sample. It is generally necessary to provide detailed information on these appliances, referred to as a technical submission, this enables the basic appliance concept to be assessed and design approved prior to the appliance being prepared for installation. Once installed there is a rigorous testing regime prior to approval.