|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Furnace burners for liquid fuel | | | | $1,530 | | | |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $140 | $10 | $500 | | $30 | | |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $944 | $952 | | | | $89,215 | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | | | $3,775 | $348 | | $339 | $191 |
| Total | $1,084 | $962 | $4,275 | $1,878 | $30 | $89,554 | $191 |
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