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PPT - Health Hazards of Computer Use PowerPoint Presentation, free ...

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Health Hazards using Computers - Basics - Atyutka Health
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innovativeitkids.blogspot.com
Lesson 02 (Part I) - Safety In The Computer Lab
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YouTube > Zhen Lin Lu
Health and Safety for ICT
YouTube · Zhen Lin Lu · 5.2万次播放 · 2015年3月23日

2:18
YouTube > Mehdi Akbari
computer using safety rules
YouTube · Mehdi Akbari · 3.2万次播放 · 2013年11月22日

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