|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Furnace burners for liquid fuel | $23,184 | $71,679 | $15,200 | $32,590 | $27,149 | $39,741 | $86,261 |
| Furnace burners other than those for liquid fuel, incl. combination burners ... | $388,633 | $384,984 | $375,548 | $556,395 | $181,511 | $283,470 | $356,127 |
| Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ... | $40 | | | | | | $164,900 |
| Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ... | $126,734 | $460,986 | $44,447 | $589,124 | $11,416 | $37,160 | $24,921 |
| Total | $538,591 | $917,649 | $435,195 | $1,178,109 | $220,076 | $360,371 | $632,209 |
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