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• 40Heavy construction
• 47Under Construction
• 188Occupational safety and health
• 248Remodeling & Construction
• 287Environmental Safety
• 345Structural failures
• 361Safety of citizens
• 364Diesel

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Significant concepts: prevent fall, work practice, environmental career worker training, worker training program, occupational safety, average, disaster responder roofing safety, construction industry, research and training, fall safety compliance, this study, occupational injury, safety and health, construction trade, construction worker.

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