|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Furnace burners for liquid fuel | $6,127 | $283 | $27,586 | $12,946 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $3,056 | $23,301 | $8,676 | $7,496 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $45 | $3,727 | $620 | $6 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $21,626 | $46,946 | $72,839 | $72,160 |
| Total | $30,854 | $74,257 | $109,721 | $92,608 |
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