ergonomic job-profile analyses and physical labor intensity measurement were carried out at the refractory plant and smelt plant of iron and steel corp. for 22 job titles.
对鞍钢耐火厂、炼钢厂22个工种分别进行体力劳动负荷的人机工程学分析及劳动强度测定。
the grading of physical labor intensity among 96 workers of 14 different kinds of work in 21 different workplaces of refractory plant was performed.