The employer shall require workers, before serving as supervisors in charge of high-pressure gas operations, to receive following safety and health education and trainings:1. Safety supervisor of high-pressure gas production.2. Safety operation supervisor of high-pressure gas production.3. Operation supervisor of high-pressure gas supply and consumption.Courses and hours of the aforesaid education and trainings are subject to regulations provided in Annex 7.Annex 7.pdfAnnex 7.doc