My post asks to wear labor insurance shoe, n/med beriberi is sent more serious, itch sometimes instep, do not have a law to fall asleep.

• 二十多年前,我们工厂 很多人患有脚气病。我的岗位要求穿劳保鞋,脚气 愈发严重,有时痒到脚背,没 法入睡。