Ключевые слова:
Penetration tests|Gas valves|Temperature control|Instructions for use|Heating equipment|Gas-powered devices|Specimen preparation|Performance testing|Safety measures|Boilers|Leak tests|Heat|Design|Combustion|Hot-water boilers|Testing conditions|Flues|Test equipment|Marking|Performance|Temperature-rise limit|Combustion products|Coatings|Thermal efficiency