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Malaria --- Prevention
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Accidents --- Accidents --- Mine inspection. --- Mine inspection. --- Prevention. --- Prevention.
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Accidents --- Mine inspection. --- Accidents --- Mine inspection. --- Prevention. --- Prevention.
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Children --- Children --- Communicable diseases in children. --- Communicable diseases in children. --- Diphtheria --- Diphtheria --- Immunization of children. --- Immunization of children. --- Health and hygiene. --- Health and hygiene. --- Prevention. --- Prevention.
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