For workers serving as workplace monitoring personnel for the positions listed below, the employer shall require workers, before serving as following workplace monitoring personnel, to receive safety and health education and trainings specified for the said field. Such workplace monitoring personnel must pass trainings, receive certificate of completion, and pass skill examinations.1. Level A workplace chemical-factor monitoring personnel.2. Level A workplace physical-factor monitoring personnel.3. Level B workplace chemical-factor monitoring personnel.4. Level B workplace physical-factor monitoring personnel.Courses and hours of the aforesaid education and trainings are subject to regulations provided in Annex 4.