Ключевые слова:
Radiators, Convection heaters, Heaters, Central heating, Space-heating systems, Hot-water central heating, Steam central heating, Thickness, Dimensions, Tubular shape, Thermal output, Performance, Performance testing, Strength of materials, Leak tests, Pressure testing, Type testing, Marking, Paints, Protective coatings, Steels, Cast-iron, Aluminium alloys