Therefore, the relevant authorities should have surveillance on a group of these welders, as well as the knowledge of prevention of health impacts from the implementation of the entrepreneurship.
Therefore, the relevant authorities should have surveillance in these welders. As well as educating the protection of health effects from the operation of the establishment.
Therefore, relevant departments should have a surveillance in these groups welder As well as providing knowledge of prevention and health effects of job performance in the workplace, the business.