Relationship between acts, regulations, standards, guidance material and code of practice 3 2. Tactics used for safeguarding the centre 9 CONCLUSION 9 REFERENCES 10 Introduction Occupational Health and Safety and Work Health Safety are the multidisciplinary field which is concerned with the health, safety and welfare of the employees. Hierarchy of control: It is a set of rule in written format which provide a guidance and structure that how individual working in a profession should behave (Kobayashi and et.al., 2016).