|
| Commodity | 2009 | 2010 | 2011 |
| Furnace burners for liquid fuel | $73,340 | $5,612 | $5,810 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | | | $56,456 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | | | $1,662 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | | $7,709 | $5,211 |
| Total | $73,340 | $13,321 | $69,139 |
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