INDUSTRIAL COAL-FIRED FURNACES, INDUSTRIAL OIL-FIRED FURNACES, INDUSTRIAL GAS-FIRED FURNACES, FLUIDIZED BED REACTORS, HEAT EXCHANGERS USED IN METALLURGICAL AND COMBUSTION PROCESSES AND CLEANERS OF GASES FORMED IN METALLURGICAL AND COMBUSTION PROCESSES, AND INDUSTRIAL AND MUNICIPAL WASTE-FIRED FURNACES

industrial coal-fired furnaces, industrial oil-fired furnaces, industrial gas-fired furnaces, fluidized bed reactors, heat exchangers used in metallurgical and combustion processes and cleaners of gases formed in metallurgical and combustion processes, and industrial and municipal waste-fired furnaces

industrial coal-fired furnaces, industrial oil-fired furnaces, industrial gas-fired furnaces, fluidized bed reactors, heat exchangers used in metallurgical and combustion processes and cleaners of gases formed in metallurgical and combustion processes

INDUSTRIAL COAL-FIRED FURNACES, INDUSTRIAL OIL-FIRED FURNACES, INDUSTRIAL GAS-FIRED FURNACES, FLUIDIZED BED REACTORS, HEAT EXCHANGERS USED IN METALLURGICAL AND COMBUSTION PROCESSES AND CLEANERS OF GASES FORMED IN METALLURGICAL AND COMBUSTION PROCESSES