A study of what the health threats from the operation of the welding engineer. By using a questionnaire about the health threats in which research work generated itself. From the basic survey and review of literature
Education, health hazards from the work of welders. The questionnaire about health hazards in the workplace. The researchers created The survey data and literature review.
Study on the health hazards of welding metal. By using the questionnaire about health hazards in the work, which was developed by the researcher. From the basic information and literature review.