Smoke leakage (S): Failure of this criterion shall have transpired if the circulation level in duct A in the check exceeds ten m³ / (m² h), related to 20 °C and 1013 mbar, connected with The inner surface location with the duct Within the furnace. The fuel's form also has https://connerwnbpc.humor-blog.com/35330201/5-tips-about-fire-resistant-ductworth-isntallers-you-can-use-today