|
| Commodity | 2006 | 2007 |
| Furnace burners for liquid fuel | $6,373 | $17,168 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $1,161 | $2,699 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $5,847 | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $378 | $10 |
| Total | $13,759 | $19,877 |
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