值得注意的是，关于年轻工人的投诉已经持续了20多年，但随着早期工人队伍的老龄化，关于老年工人的类似投诉并没有增加。
Significantly, complaints regarding younger workers have persisted for over two decades, but similar complaints regarding older workers have not grown as the earlier cohorts aged.
公司内拥有一批精明能干、强有力的科技和管理人员及熟练的工人队伍。
The company has a group of bright and strong technology and management personnel and skilled workers.
建筑工人队伍构成的改变要求建筑工人安全管理必须做出相应的变化和改进。
The change in construction workers composition demands a corresponding change in construction workers safety management.
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