D ‌‌‌‍‍‌‍‌‌‍‍‌‍‍‌‌‌‍‍ iscuss the variables you would use to evaluate the risks associated with a task that requires a worker to lift bags containing raw materials and dump them into a hopper where they feed into a reactor. Identify which of the factors would be fixed factors and which factors ‌‌‌‍‍‌‍‌‌‍‍‌‍‍‌‌‌‍‍ might be variable, and state how you made that decision. Recommend some administrative controls that might be appropriate for the task.