|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Furnace burners for liquid fuel | | $5,406 | $1,005 | $4,753 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $2,958 | $2,620 | $780 | $1,655 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $396 | | | $1,955 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $387 | $5,486 | $2,001 | $2,213 |
| Total | $3,741 | $13,512 | $3,786 | $10,576 |
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