Final answer:
To use a respirator, one must first undergo a medical evaluation, hands-on training, and a fit test.
Explanation:
Before using a respirator, you shall receive a medical evaluation, hands-on training, and a fit test. These steps are crucial to ensure the respirator fits properly, the user is physically capable of using it, and understands how to use it correctly.
Learn more about respirator safety and training here:
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