Answer:
a. an effective use of lean media.
Step-by-step explanation:
Since in the question it is mentioned that the representative commuicates regularly with regard to the no and type of health & safety incident arrise in their plant also at the same time they note the type & number of infractions so that these types of incidents should be known to the other representatives as well due to this the chances of any happening would be minimized
So this represent the use of lean media