“我们现在拥有了一种高集成的中空充钠气门生产工艺，”Schaefer说，“钻孔填钠密封，一步就可以搞定。”

"We now have a high volume process for manufacturing sodium fill valves," said Schaefer. "We drill the holes, fill them with sodium and seal them all in one step."

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钻孔机在一个密封的通风管道前受阻，而这个管道离矿工们还很远。

The drill may have hit a sealed shaft, away from the miners.

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注意：除非采用适当的密封设施，否则绝对不要在控制面板上钻孔。

NOTE: At no time should hole be made in top of control panel, unless proper sealing devices are utilized.

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