Final answer:
An effective hazards identification process should be comprehensive, periodic, and routine, but it does not need to be kept secret.
Step-by-step explanation:
An effective hazards identification process should meet several criteria in order to ensure safety, but it does not need to be kept secret. So the correct answer is Secret. A comprehensive hazards identification process involves identifying all potential hazards in a particular environment or activity. It should be conducted periodically to account for any changes or new hazards that may arise. And, finally, it should be routine, meaning it should be regularly performed to maintain a safe environment.