Commodity2005200620072008200920102011
Furnace burners for liquid fuel  $2,527$347$4,800 $66,128
Furnace burners other than those for liquid fuel, incl. combination burners ...$8,240$80,952$17,565$314,703$17$29,410$43,065
Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... $174,562$3,991    
Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ...$52,170$69,385$38,156$142,234$198,004$27,845$49,240
Total$60,410$324,899$62,239$457,284$202,821$57,255$158,433