观看该视频，了解在工程作业中如何确保不受结晶硅影响。
如需更多信息，请与您的雇主沟通或使用免费口译服务口译服务：口笔译服务处（TIS）— 131 450。通过该链接，帮助理解信息：
https://www.worksafe.vic.gov.au/preventing-exposure-crystalline-silica-dust
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