|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Furnace burners for liquid fuel | $7,385 | $45,230 | $6,483 | $8,903 | $8,981 | $53,597 | $71,049 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $45,144 | $23,262 | $8,928 | $100,954 | $69,771 | $3,144 | $8,147 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | | | | $1,416 | | | $1,467 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $23,508 | $14,690 | $12,661 | $18,959 | $15,106 | $7,563 | $5,518 |
| Total | $76,037 | $83,182 | $28,072 | $130,232 | $93,858 | $64,304 | $86,181 |
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