Methods Dust concentrations in the workplaces were determined in a rubber molding plant and occupational physical examinations on 152 workers exposed to dust and 93 non-exposers were taken.

• 方法对某橡胶制品厂作业场所进行粉尘浓度测定,并对152名接尘工人和93名非接尘人员进行职业性体检。