fuel burning equipment / metal / gas pipe / straight metal ductwork / metal tray / hot detergent solution / speed control device / transportation / sheet metal shop / prominent warning device / metal grease filters / gas ranges / metal ring / hidden utilities / equipment manufacturer / food / stainless steel finishes / steel / /
Organization
National Fire Protection Association / FIRE DEPARTMENT / United Nations / American Society for Heating / Refrigeration and Air Conditioning Engineers / /