... :The use of technical parametersItemsTechnical parametersTypesnatural gas (NG),liquefied petroleum gas (LPG)Light-off temperature≥350complete combustion ... 850Wavelength range1.9m--15mFurnance pressurenaturalgas 150mmAq;liquefied petroleum gas 280mmAqTable 2:Comparison table for all kinds ... car, soup oven, cooking assembly line, infra-red gas baking pan, deep-fry assembly line, water-removing machine, ...