走出车间 注意保暖. 預防感冒 保証出勤
Zouchu chejian, zhuyi baonuan, bimian shangfeng baozheng chuqin
Shanghai shi weisheng fangyi zhan (上海市衞生防疫站), Zhongguo hong shizi hui Shanghai shi fenhui (中国红十字会上海市分会)
A female textile worker puts on a warm coat before leaving the workshop.
A very similar image is PC-1955-019.
