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English[en]
Tungsten alloy is more acceptable in this case, for they are non-toxic and tungsten radiation shielding advantages.
Korean[ko]
그들은 무독성이됩니다 게다가, 납 또는 과거에 감손 우라늄에 비해 텅스텐 합금이 경우에 더 허용됩니다.

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