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| Commodity | 2005 | 2007 | 2008 |
| Furnaces & ovens for the roasting/melting/oth. heat-treatment of ores/pyrit ... | $316,209 | $741,674 | $323,587 |
| Bakery ovens, incl. biscuit ovens, non-elec. | $106,771 | $637,879 | $335,520 |
| Industrial/laboratory furnaces & ovens (excl. of 8147.10 & 8417.20), incl. ... | $1,275,591 | $504,580 | $542,865 |
| Parts of the industrial/laboratory furnaces & ovens of 8417.10-8417.80 | $138,595 | $253,722 | $959,687 |
| Total | $1,837,166 | $2,137,855 | $2,161,659 |
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