The study aims: * To identify the main occupational health hazards to which the superphosphate fertilizer industry workers are exposed. * To identify the respiratory and auditory health effects of these hazards and associated risk factors among those workers. * To clarify the knowledge, attitudes, and practices of workers towards the chemical health hazards affecting the respiratory system (dust and hazardous gases). * To assess the effect of health education program on workers' knowledge, attitudes, and practices towards these hazards and the use of personal protective equipment (PPE).
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prevalence of respiratory and auditory problems among workers of the superphosphate fertilizer factory.
Timeframe: 1-1-2024 to 1-6-2024