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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | $19,530 | $4,443 | $8,746 | $89,848 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | $62,121 | $50,215 | $306,757 | $207,953 |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | $13,809 | $4,999 | $42,383 | $28,683 |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | $12,610 | $1,528 | | $68,870 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $990,672 | $1,229,335 | $1,412,486 | $1,872,324 |
| Parts of the appls. of 84.81 | $348,233 | $324,038 | $429,639 | $250,030 |
| Total | $1,446,975 | $1,614,558 | $2,200,011 | $2,517,708 |
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