Descriptors | 1st family gases, 2nd family gases, 3rd family gases, Domestic safety, Domestic, Freezers, Refrigerators, Household equipment, Gas-powered devices, Built-in, Portable, Fixed, Classification systems, Testing conditions, Specimen preparation, Design, Stability, Performance testing, Safety measures, Mechanical testing, Loading, Leak tests, Heat, Combustion, Ignition, Flames, Test equipment, Fire tests, Manual control systems, Automatic control systems, Instructions for use, Marking, Installation, Symbols, Combustion products, Fire safety |