|
| Commodity | 2005 | 2007 | 2008 | 2010 | 2011 |
| Furnace burners for liquid fuel | $7,008 | $27,065 | $4,264 | | |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $3,546 | $6,726 | | $7,152 | |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $3 | | | | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | | $41,675 | $642 | | $1,000 |
| Total | $10,557 | $75,466 | $4,906 | $7,152 | $1,000 |
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