|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | $24,959 | $50 | $11,750 | $5,639 | $6,205 | $7,756 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $13,541 | $8,112 | $5,647 | $7,203 | $30 | $127,982 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $671 | $3,993 | | $217 | | $7,571 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | | $7,792 | | $24,998 | $397 | |
| Total | $39,171 | $19,947 | $17,397 | $38,057 | $6,632 | $143,309 |
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