Comments on the combination of respiratory protective devices with protective clothing

Mandatory sign respiratory protective devices
Mandatory sign protective clothing

A combination of a full-body protective suit and breathing/respiratory protection apparatus must not only supply the breathing air, but also protect the body of the wearer (DGUV Regel 112-189 (to date: BGR 189)) governing the use of protective clothing, April 1994, current version October 2007, Sections 4.3.7, and at, in German).