acoustic warning signal must go off that gives the people in the vicinity enough time to build up a sufficient safety distance. During the duration of the acoustic signal, a visual signal must also serve [...] includes safety-related signaling devices. Special safety regulations apply to recycling machines and equipment in industry and construction. An audible or visual danger signal must be mounted as a warning [...] serve as support. As a leading manufacturer of signaling devices for industries, Pfannenberg offers visual, audible and combined signaling devices for indication, warning and alarming. In addition, we offer