|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | $35,582 | | | | | |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $6,190 | $31,484 | $80,745 | $7,288 | $153,400 | $150,139 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | | | | | $189,584 | |
| Total | $41,772 | $31,484 | $80,745 | $7,288 | $342,984 | $150,139 |
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