Safety, Environment & Quality Assurance Department as the secretariat of the Safety & Environmental Protection Headquarters conducts training for key persons. Basic training educates them on their roles and the basics of safety and environmental management, and other training enhances their safety and environmental management capabilities (level up training, audit technical capability enhancement training, accident analysis training, environmental management capability enhancement training, and risk assessment training). This training develops the leadership abilities participants need to proactively operate PDCA cycles for environmental and safety management in their own divisions and complexes (carried out 11 times in FY2020).