参考文献信息：[1]Walls, C. B.,Dryson E. W. Failure after 5 years of self-regulation: a health and safety audit of New Zealand engineering companies carrying out welding[J]. Occup Med (Lond). 2002. 52(6): 305-309.Abstract: The aim of this study was to audit the degree of compliance with new health and safety legislation 5 year...
