|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | | $611 | $93 | | $1,441 | $505 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | | $449 | $3,955 | | $4,325 | $11 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | | $110 | $441 | | $2,423 | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $38 | $505 | $20 | $598 | $1,345 | $219 |
| Total | $38 | $1,675 | $4,509 | $598 | $9,534 | $735 |
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