although the self-priming filter respiratory protective equipment can protect the respiratory safety of workers in some specific environments, it will still have some negative effects on the operation due to some limiting factors. The results show that: after wearing the self-priming filter respiratory protective equipment, the duration of work is shortened, the speed of work is slowed down, the workload is reduced, and the work tolerance of human body is reduced. 1n which aspects can self-priming filter respiratory protective equipment cause these problems?
1. The shape structure of the self-priming filter respirator mask occupies the visual field of the wearer, narrows the visual field of the wearer, and directly affects the operation of the wearer