Question 1:
(a) Describe the characteristics of a confined space.
(b) By reference to entry into a confined space, describe briefly the factors that should be considered in the design and operation of a permit-to-work system.
Question 2:
(a) Is a permit-to-work system a safe system of work? Give reason for your answer.
(b) What is the "nature of a permit-to-work"
(c ) Describe four main principles to be observed for an effective permit-to-work.