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Title: Technical Services (HQ) - PowerPoint PPT Presentation
Description: Protection During Working at Heights How Long does it take to Fall? Height (feet)/(m) 4 (1.2 m) 16 (4.8 m) 64 (19.32 m) 100 (30.48 m) 144 (43.89 m) 256 (78.02 m) 576 ... – PowerPoint PPT presentation
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