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The supervisor or lead worker is the appropriate individual to conduct a pre-job briefing because this person is typically responsible for overseeing the work being performed and ensuring that all safety protocols are followed. The supervisor has the training and experience to identify potential hazards associated with a specific job and can communicate critical safety information effectively to the team. This briefing is essential in preparing workers for the tasks ahead, discussing potential risks, outlining safety measures, and confirming that everyone understands their roles and responsibilities.

By having a designated leader coordinate the briefing, it ensures that the information shared is consistent and authoritative, fostering an environment where all workers are equipped with the necessary knowledge to perform their duties safely. The other personnel listed, while they may contribute to safety or have valuable insights, do not hold the same level of responsibility for conducting the briefing as the supervisor or lead worker, whose role is vital in maintaining overall workplace safety and compliance with regulations.