Comments on the combination of equipment for hearing protection with respiratory protective devices

Mandatory sign hearing protection
Mandatory sign respiratory protective devices

When respiratory protective devices are combined with hearing protectors, the head band of ear muffs may be incompatible (DGUV Regel 112-194 (to date: BGR/GUV-R 194) governing the use of hearing protection, January 2015, Sections 3.1.3.1.3, 3.2.1.6 and 3.3.12 at www.dguv.de/fb-psa, in German).