在旧中国，工人的劳动条件恶劣，健康毫无保证。以石粉厂、玻璃厂粉尘作业为例，粉尘浓度之高，几乎达到“伸手不见五指，对面不见人”的地步。在矿山，工人中有一民谣：“有女不嫁矿山郎，口吐烟子没下场”，说明大批矿工因为吸入大量粉尘，过早地夺走了生命。但资本家根本不 In old China, the working conditions of workers were harsh and there was no guarantee of health. To dust stone factory, glass factory dust operations, for example, the high concentration of dust, almost reached “bare hands, across from no one person” point. In the mines and workers, there is a folk rumor: “There are women who do not marry mine Lang and vomit smoke does not end.” This shows that a large number of miners prematurely claimed their lives because they inhaled large quantities of dust. But capitalists simply do not