For hospital workers, especially those who are assigned in the maintenance department, working on the fume hoods and other stuff where respiratory equipment protection are needed, it is very important for them to use in the whole duration of work in the area those respiratory protection.
This kind of job or work is considered one of the health hazard jobs where one is required to have safety equipments such as respiratory protection on. If these equipment are not used, the worker may suffer from respiratory ailments, maybe not for now, but in the long run. Others would suffer difficulty of breathing and other respiratory symptoms.
For any companies, it is best for them to look for safety equipment suppliers who can supply them quality equipments for their workers.