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为了解铅对工人的危害情况，我们于１９９８年６月对曲阜市蓄电池厂铅作业工人的健康状况作了调查。对象 铅接触组：蓄电池厂铅作业工人男１４８人，女１１６人，年龄１８～５４岁，平均２７－４４岁；工龄０－５～３４年，平均７－３１年。对照组：１２２名印刷厂铅作业工人
To understand the dangers of lead to workers, we conducted a survey on the health status of lead workers at the battery factory in Qufu City in June 1998. Subjects Lead Exposure Group: There are 148 lead workers in battery factories, 116 females, aged from 18 to 54 years old with an average of 27-44 years of age. The working ages range from 0 to 5 to 34 years, with an average of 7 to 31 years. Control group: 122 print lead workers