|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | | | | | | $8,180 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | | | $5,962 | | | |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $139,495 | | $10,919 | | | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $1,765 | $140,854 | $97,640 | $509 | $5,252 | |
| Total | $141,260 | $140,854 | $114,521 | $509 | $5,252 | $8,180 |
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