Answer:
The statement is true.
Step-by-step explanation:
It is true because the employer is responsible for the health and protection during the labor time. So if he/she lets you get away with not wearing your respirator when required it would be a violation of the law and, not only would be a problem for the employer who could face fines. It could be a problem also for you because if something happened while you´re violating the norms the insurance may not accept to cover that accident.
I hope this answer helps you.