|
| Commodity | 2007 | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | $130 | | $5,462 | $16,455 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | | $279,680 | $1,345 | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | | | $684 | $16,962 |
| Total | $130 | $279,680 | $7,491 | $33,417 |
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