Commodity20052006200820092010
Furnace burners for liquid fuel $510$37,924  
Furnace burners other than those for liquid fuel, incl. combination burners ...$225 $13,881$742$5,704
Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ...  $13,951 $664
Total$225$510$65,756$742$6,368