我厂拱板除锈作业,以前全靠人力。工作者戴上防护面具,抱着三吋胶质风管的喷头,在除锈室內喷打。喷头又重,脚下喷丸又滑,工作者非常吃力,也不安全。炎热的夏季,工人闷在防护面具里操作,汗水湿透了作业服,严冬季节,受强风侵袭,工作条件也相当艰苦,大部除锈工人都患了风湿性关节炎症。在无产阶级文化大革命以前,工 Our plant rust plate operations, formerly by manpower. Workers wear protective masks, holding a three-inch plastic duct nozzle, spray in the rust room. Heavy nozzle, shot peen and slippery feet, the workers are very difficult, not safe. Hot summer, workers bored in protective mask operation, sweat soaked clothing, winter, by strong winds, the working conditions are quite difficult, most of the derusting workers suffering from rheumatoid arthritis. Before the Great Proletarian Cultural Revolution, workers