|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Furnace burners for liquid fuel | $31,297 | $20,666 | | $51,764 | |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $3,746 | $45,702 | $47,801 | $473,262 | $67,454 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $154 | | $3,753 | $18,276 | $37,866 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $53,029 | $12,449 | $84,702 | $211,917 | $66,722 |
| Total | $88,226 | $78,817 | $136,256 | $755,219 | $172,042 |
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