从事棉纺、隧道、金属研磨、水泥生产等作业的职工,由于在飘浮各种灰尘、烟尘等环境中作业时间较长,导致人体的呼吸系统、眼睛及皮肤危害,使正常的身体机能受损,并引起其它病变。轻者眼珠周围发生红肿、发痒、产生流泪;长期刺激肺部,则发生咳嗽等症状。对接触铅、砷等有毒物质者,粉尘则进一步损害人体的中枢神经、肝、肾、肺等器官,造成中毒。如这种有毒微尘一旦被皮肤吸收,便引起体内中毒,这种现象就是人们所说的粉 Employees engaged in such operations as cotton spinning, tunneling, metal grinding and cement production have long-term working hours in floating environments such as dust and smoke, causing the body’s respiratory system, eyes and skin to endanger normal body functions, And cause other lesions. Light around the eyes of inflamed, itchy, resulting in tears; long-term stimulation of the lungs, the occurrence of cough and other symptoms. Of lead, arsenic and other toxic substances, dust is further damage to the body’s central nervous system, liver, kidney, lung and other organs, resulting in poisoning. Such as toxic dust once absorbed by the skin, they cause poisoning in the body, this phenomenon is what people call the powder