Descriptors | Water heaters, Gas storage, Fire safety in buildings, Domestic facilities, Test equipment, Gas cylinders, Design, Liquefied petroleum gas, Temporary housing, Refrigerators, Safety measures, Performance testing, Installation, Household equipment, Leak tests, Gas circuits, Size, Refreshment facilities, Emergency measures, Caravans, Heaters, Cooking appliances, Ventilation, Gas flow, Gas-powered devices, Propane, Butane, Domestic pipework systems, Central heating, Domestic safety, Caravanettes, Gas pipes, Gas supply, Mobile buildings |