做好高温作业防暑保健工作 -- 安全生产挂图4 Zuohao gaowen zuoye fangshu baojian gongzuo -- anquan shengchan guatu 4 Designer Li Shinan (李世南) Date 1964, December Publisher Jixie gongye chubanshe (机械工业出版社) Size 54x78 cm. Call nr. BG E15/523 Collection Landsberger collection