Finally, let us propose a comment on how to apply the method
when the safety auditor is analysing a start-up company; in this
case the first term of Eq. (10) is equal to zero, not because the specific risk never lead to accidents, but because the firm has not got a
history. This problem could be overcome using external statistics
referred to the specific sector of the start-up firm. For example,
in Italy the public work injuries insurance agency (INAIL) produces
the summary of the frequencies and consequence for the different
operative sectors each year. So, using these statistics, the method