Manufacturers of parts: tin plate and aluminum containers, valves, fragrances, chemical active agents, equipments, propellant gases, gaskets, caps, and other items.

制造商部分：马口铁和铝容器，阀门，香水，化学活性剂，设备，推进剂气体，垫圈，帽子，和其他物品。

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The complex surface active agents with success applied in chemical cleaning of dowthem scales in heating casing of ball valve in PTA plant was presented.

采用复合表面活性剂对PTA装置球阀加热夹套热媒垢成功地进行了化学清洗。

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Altogether lost amidst the much-ballyhooed headlines that the Survey Group discovered "No WMDs" was its uncovering of an inconvenient fact: At the time of the U.S.-led invasion in 2003, Saddam Hussein had active, albeit low-level, production lines for both chemical and biological agents.

CENTERFORSECURITYPOLICY: Tragedy of errors