Please answer 3 as well , i really need it thanks :)

2. Consider the following tables of applicant training and available positions. a) Construct a network diagram describing the allocation of workers to available roles. b) Do you need to consider more applicants? If so, how many and what expertise should they have? Show your calculations. c) Is there anything else you need to consider? Required positions 1 Role Strategic Director Market analyst Plant Operations Blasting 2 2 1 Qualifications Strategic Director Market analyst Plant Operations Construction /Blasting X X Applicant Sally Juan Kim Dylan Chris Nic Robin 3. Describe (using examples) three key differences between occupational safety and system safety