|
| Commodity | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | | $6,630 | |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | | $554,118 | $2,305 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | | $633 | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $567 | $177,425 | $1,087 |
| Total | $567 | $738,806 | $3,392 |
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