Example: air traffic controller
Search results with tag "Standardized terminology for combustion"
Standardized Terminology for Combustion …
www.karg.comStandardized Terminology for Combustion Appliances and Combustion Safety Testing Page 3 Concentrically Constructed Direct-Vent A direct-vent appliance that has an exhaust-gas vent and a combustion-supply air vent arranged in a concentric fashion, i.e., one vent is inside the other with a