Health and hygiene 58 Industrial hygiene 40 Industrial safety 31 Dissertations 27 Dissertations, Academic 24 Safety measures 17 Employees 10 Care and hygiene 9 Islam 9 Women 9 Oral Hygiene 8 Religious aspects 8 Children 7 Diseases 7 Psychological aspects 6 Attitudes 5 Health 5 Islamic hygiene 5 Prevention 5 Diagnosis 4 Food 4 Industrial management 4 Islamic law 4 Oral Health 4 Physiological aspects 4 Religious aspects Islam 4 Schools 4 Social conditions 4 methods 4 Cancer 3