|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Furnace burners for liquid fuel | | $71 | | $544 | | | |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $14,548 | | $444 | $45 | $150 | $209 | $1,288 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $8,953 | $1,639 | $121 | $951 | $113 | | $310 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $2,028 | | $162 | $91 | $113 | | $2,430 |
| Total | $25,529 | $1,710 | $727 | $1,631 | $376 | $209 | $4,028 |
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