《天工开物·中篇·燔石》
所以烧砒霜的人两年后一定要改行，否则就会须发全部脱光。
烧砒之人经两载即改徙，否则须发尽落。
So people who prepare arsenic trioxide must change their occupations after two years, or they will lose all their hair.
<s>[INST] 请将下面的文言文翻译成英语: 烧砒之人经两载即改徙，否则须发尽落。 [/INST] So people who prepare arsenic trioxide must change their occupations after two years, or they will lose all their hair.</s>
请将下面的文言文翻译成英语: 烧砒之人经两载即改徙，否则须发尽落。
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So people who prepare arsenic trioxide must change their occupations after two years, or they will lose all their hair.
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