|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Furnace burners for liquid fuel | | | $723 | | $215 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $76 | $1,282 | $137 | $221,925 | $1,333 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | | $124 | $95 | | |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $638 | $1,202 | | $19 | |
| Total | $714 | $2,608 | $955 | $221,944 | $1,548 |
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