|
| Commodity | 2006 | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | $20,759 | $46,684 | | $156 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $17,874 | $945 | $80 | $2,395 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | | $12 | | $340 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $115,452 | $1,711 | | $6,729 |
| Total | $154,085 | $49,352 | $80 | $9,620 |
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