|
| Commodity | 2005 | 2006 | 2007 | 2009 |
| Furnace burners for liquid fuel | $11,505 | $48,324 | $33,112 | $42,041 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $14,520 | $217,970 | $66,702 | $29,202 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $2,803 | $3,494 | $2,089 | $16,085 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $23,430 | $50,463 | $12,968 | $32,156 |
| Total | $52,258 | $320,251 | $114,871 | $119,484 |
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