|
| Commodity | 2005 | 2006 | 2010 |
| Furnace burners for liquid fuel | $18,391 | | $2,544 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $306 | $68,434 | $7,961 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $948 | | $468 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $1,738 | $1,110 | $29,663 |
| Total | $21,383 | $69,544 | $40,636 |
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