|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Furnace burners for liquid fuel | | | $380 | $501,952 | | |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $2,143 | $246,327 | $9,380 | $264 | $746 | $891,774 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | | | | | | $5,716 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $13,616 | $2,590 | $55 | $10,327 | $39,432 | $3,998 |
| Total | $15,759 | $248,917 | $9,815 | $512,543 | $40,178 | $901,488 |
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