|
| Commodity | 2006 | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | | | $445 | $1,450 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $1,997 | $1,408 | $6,029 | $323 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | | | | $2,074 |
| Total | $1,997 | $1,408 | $6,474 | $3,847 |
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