The Isfahan conversion plant, which produces uranium hexafluoride (UF6, the uranium compound that is passed as a gas into the centrifuges to be enriched), is above ground and vulnerable to attack.

伊斯法罕的铀转化设施，是生产六氟化铀(UF 6，一种铀化合物转化为气体，进入离心机进行浓缩)的装置，在地表以上易于攻击。

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On Wednesday, workers unsealed the section of the Isfahan plant where the final conversion to create weapons-grade uranium is carried out, again under IAEA supervision.

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