1 engineering safety assurance system 2 organizations to ensure 3 Work to ensure 4 system guarantees 5 Quality Management institutions 6 Project Manager 7 Safety Engineer 8 Project Assistant Manager 9 Chief Engineer 10 Operations Manager 11 ministers and departments 12 in each group leader 13 work area safety officer for each 14 basic work 15 prevention focus 16 security objectives 17 grasp of security and defense, to carry out expected, prediction, prevention activities 18 do a good job safety education 19 to enhance job training of workers, insisting on the training, certificates 20 increase the safety of technical equipment and implementation of investment Strict implementation of the management system of 21 workers 22 High Fall Accident prevention 23 accident prevention against objects 24 Anti-machinery equipment injuries 25 Anti-blast injuries 26 anti-Click injuries 27 Anti-Accident 16 to prevent death, serious injury and more than an accident, injury rates of young less than 1.2% 17 security responsibility Speech before the security system of 18 classes 19 System Safety Design Technology Details 20 shift change system Listed 21 security system 22 safety inspection system 23 safety incentive system 24 regular safety class system