The highest rate of silicosis deaths occur among so-called non-construction laborers and mining machine operators.
最高的矽肺病死亡率出现在所谓的非建设工人和煤矿机操作人员中。
The availability of jobs in railway construction attracted many rural laborers accustomed to seasonal and temporary employment.
铁路建设方面的就业机会也吸引了许多习惯于季节性和临时性工作的农村劳动力。
Afghan laborers install scaffolding on a building under construction in downtown Kabul in 2004.
2004年,喀布尔市区,阿富汗工人正在一座在建高楼上安装脚手架。
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