safety and security
安全保障
Embedded Files
WORKPLACE ACCIDENT VIDEO
工作场所事故视频
safety promotion video to OCW（ PN5） .mp4.mp4🚧 Stay Safe, Remain Alert! 🚧 注意安全，保持警惕！🚧
Check out a compilation video of real-life workplace mishaps and remember: safety first, always!
观看一段真实现场事故合集，记住：安全第一！
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