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| Commodity | 2005 | 2007 | 2010 | 2011 |
| Furnaces & ovens for the roasting/melting/oth. heat-treatment of ores/pyrit ... | | $15,106 | | $4,242 |
| Bakery ovens, incl. biscuit ovens, non-elec. | | $11,410 | $40,175 | $10,585 |
| Industrial/laboratory furnaces & ovens (excl. of 8147.10 & 8417.20), incl. ... | $6,326 | $3,900 | $29,030 | $12,978 |
| Parts of the industrial/laboratory furnaces & ovens of 8417.10-8417.80 | $2,715 | | $57,095 | $290,333 |
| Total | $9,041 | $30,416 | $126,300 | $318,138 |
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