Retail services in this class being the sale of fuels and illuminants, distribution and sale of gas fuels including liquefied petroleum gas and compressed natural gas, including by way of a gas cylinder exchange service and cylinder re-filling service, distribution and sale of pipes and tubes of metal including pipes and tubes for distributing gas, distribution and sale of cylinders for storing and dispensing compressed gas, and fittings and parts and accessories for the aforementioned goods, distribution and sale of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply, and sanitary purposes, including the distribution and sale of gas heaters, gas lamps and lanterns, gas barbeques stoves and cookers, gas refrigeration equipment, and parts and accessories therefor